THE FIFTH MONTH

Activity

When lying on his tummy, the five-month old baby will lift the head and chest fairly high off the mattress; he lifts the head and shoulders when lying on his back. Is able to bend his knees and suck his toes. He becomes more and more mobile, readily rolling from his back to the tummy position. He tends to rock and roll the entire body, twist and turn.

If lying on his back, he will press his feet against a hard surface or kick at it forcefully. He can readily be pulled to a standing position, and if supported under the arms, will often jump the body up and down, or stamp the feet alternately on the surface he is standing on. Lying on his tummy, he will extend his limbs and arch the back and rock.

His ability to sit increases and he may now sit in a position, with a firm back, for up to thirty minutes. He keeps his head steady and erect during this time. If he is pulled up, he assists by bending his head forward, flexing his trunk, and drawing his legs towards his tummy. When seated, he is able to grasp objects readily.

His finer hand movements are gradually developing. He tends to grasp for objects with the thumb and index finger. He will play with objects offered, such as a rattle, or he may hold his bottle either with one or both hands. His aim is improving, and he will reach for items he wishes to have, and grasps for them when they are reached. He can readily use both hands, and will tend to exchange items from hand to hand, and frequently waves them in the air.

Talk

Ability at making more understandable noises increases. He makes ‘vowel’ sounds (such as ee, ay, ey, ah, ooh) and a few of the consonants (such as m, 1, b, d).

He tends to sing and talk away to himself, or to his toys and playthings. He often uses baby talk to attract attention.

He still gazes intently at the mouths of others as they talk, and after hearing others talk he will often try to mimic the same sounds. He becomes a good imitator, and indeed this is an integral part of baby’s method of learning how to talk. It is possible for a baby to mimic nearly any audible sound.

He becomes actively responsive to extraneous noises, and will turn his head in the appropriate direction, looking for the person speaking or for the source of the noise.

He has learnt to recognise and understand his own name—a major achievement!

Mind

The baby is becoming more and more mentally alert and is able to remain acute for an hour or even longer. If placed in a new environment, he will look around and size up the situation. He will make a deliberate effort to find the source of sound and to follow it around with his eyes; he will often follow an object until it disappears, such as a person walking from the room.

When he is reaching for objects, his eyes carefully follow the movement to help him. As he reaches for an item, his eyes will dart from his hand to the object until he is successful. He will tend to reach for objects in front of him, bringing his hands together from the sides towards the midline. Often he overreaches or under-reaches, frequently with clenched fists, but his degree of success gradually increases.

If he sees part of an object, he can visualize what it looks like in its entirety. Often he will search for a fast-moving object. If he drops a favourite plaything, he will look around in search for it. If something is impeding his vision close by, he will try to brush it aside.

His ability of remembering familiar objects increases, and he can easily recall immediate past actions, or objects.

He can readily identify his parents’ faces, his brothers and sisters, and he knows strangers are strangers. He may resent the latter, particularly women.

He makes a deliberate effort to mimic noises and movements. This ability steadily increases.

He makes efforts to alter his environmental situation, either by repetition or by additional movements.

If he is playing with blocks, he will grasp one, then suddenly-become interested in a second one. Grasping for the latter, he will then drop the first. This process goes on and on.

Relationships

He tends to show definite mood changes, indicates fear, disgust and anger. He can distinguish faces reflected in a mirror, and will often smile and react to reflections, such as his own or his mother’s.

He increasingly interacts with others, especially human faces and voices that he recognizes. He can discern the familiar and the unfamiliar. He smiles and makes throaty noises as a means of making social contact.

He shows anticipation. He will raise his arm and wave it; will put both arms up indicating he wishes to be held. He likes being close to persons who come near to him and will cling to a person holding him.

He learns to tease, and will give baby talk trying to interrupt others during their conversation. If he is crying, this often ceases when he is talked to.

He may indicate protest—for example, when a person tries to take a toy from him. Enjoys being played with, and will enjoy a good frolic. He plays with his toys, pats his bottle or mother’s breast.

He takes less readily to the breast, preferring solids. He may start to use a cup. Each morning he wakes at a fairly regular hour.

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MASSAGE

An ancient healing technique, massage is known to have been used as long ago as 3000BC in China, and was recommended by the well-known Greek physician Hippocrates in the 5th century BC. Most masseurs use oil as they rub, stroke and knead various parts of the body. One of the benefits of these actions is to stimulate blood circulation by moving blood towards the heart. Massage is also believed to stimulate the metabolic processes, assisting the body to assimilate food and eliminate waste products.

Among the physical and mental problems which can be helped by various forms of massage are back and neck pain, circulation problems, tension, headaches, anxiety, depression, insomnia and stiffness induced by exercise. Arthritis sufferers may also benefit from massage, but not directly on acutely swollen or inflamed joints.

Swedish massage is one of the most commonly practised forms of massage. This form of massage became popular in Europe from the 19th century when a Swedish gymnast, Per Henrik Ling, used ancient massage techniques combined with exercises for muscles and joints to develop a form of vigorous massage designed to stimulate the circulation of blood through the soft tissues of the body. Deep massage, as well as actions of stroking, kneading, slapping, rubbing, squeezing and pounding are used.

Acupressure is a Chinese form of massage which utilises the same pressure points which are used in acupuncture. Thought to be the forerunner of acupuncture, this form of massage by the thumbs and fingertips on the pressure points has been used for over 3000 years, originating in China. Shiatsu is a Japanese form of this therapy.

Sports massage is often practised on dancers, athletes and other people engaged in sports, both in the prevention and treatment of injuries. Remedial massage may be given before and after sporting events to tone muscles and joints. This treatment stretches muscles which have contracted and hardened during exercise and also helps to drain lactic acid, a toxic chemical waste product which accumulates in the muscles during strenuous activity, often causing cramps. Sports injuries such as sprains are also treated by massage in the form of firm stroking above and below the injured joint to disperse swelling, prevent the formation of adhesions and encourage free movement of the joint.

Reflexology is another form of massage which works on zones in the feet which correspond with sites in the body.

Massage is also often used in conjunction with aromatherapy, various scented oils being used according to the therapeutic effect desired.

Massage may not always be a suitable form of treatment, particularly for someone suffering from any type of fever or from circulatory disorders such as phlebitis, thrombosis or varicose veins. A doctor should be consulted if you are in doubt.

Therapeutic massage associations are listed in the phone book and qualified massage practitioners are often members of these associations.

*4\69\2*

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ANXIETY IN THE MIND: APPREHENSION

We experience anxiety in pure form as apprehension. This is a particular form of nervous tension. There is the feeling of fear, but it is an objectless fear, and at the same time as we experience it we are aware that there is nothing that should make us afraid. When we feel real fear, we can always attach our emotion to some outside object, and say that we are afraid of this or that. But because of the objectless quality of anxiety, apprehension is extremely disturbing. We simply do not know of what we are afraid. We feel that something is going to happen, but we do not know what. Something bad is about to befall us, but we cannot imagine what it might be. If the anxiety is severe, this irrational element may evoke feelings of approaching insanity, and the disquiet of our mind is still further increased.

A patient of mine, a forty-six-year-old school teacher, showed:

Signs of this kind of severe apprehension. In spite of quite a massive physique, he had always been rather tense and jittery. Twelve months previously he had suffered a severe allergic reaction to one of the antibiotic drugs, and since then he had been in a terrible state.

He described his anxiety condition in these terms: “Get vague heart attacks.” “All kind of fears.” “Heart thumps and bangs.” “Keep sweating.” “Get very het-up.” “Attacks come on with physical effort such as moving the TV set.” “It started with pain in legs and arms.” “I walk down the street and become stricken with fear and have to return.” “Keep waiting for something to happen.” “Don’t want my wife to leave me even for a short time.” “In bed the sheet touched my throat and I thought I was strangling.”

In reading this, please remember that these excerpts from my case histories nearly all concern patients who have been referred to me by other doctors because of the severity of their nervous symptoms. This is intended to help patients like this, but it is also intended to help the great host of others who suffer only in mild degree, and who in ordinary circumstances would never seek the help of a psychiatrist or even the local doctor. Consequently, these notes about various patients whom I have seen will serve to illustrate the point I am trying to make. But although they may refer to conditions which you yourself have, in all probability in your case it is in much milder form.

In less severe form, apprehension may show itself as a vague uneasiness. The feeling is difficult to describe. We lose our natural calm and repose. We are uneasy. We try to pass it off, and say to ourselves that we are all right; but we know that we are not quite right, and the strange feeling of disquiet remains, and persistently disturbs us at our work, at home, and even in our sleep.

A fifty-year-old woman, whom I had known for most of my life as a robust extrovert, consulted me professionally. She said that she had felt depressed and frightened. She could not get going with her former zest. Her most disturbing symptom was a difficulty in breathing which was associated with a feeling of panic, so that she would catch her breath and could not properly relax.

She very quickly lost her symptoms with the relaxing exercises.

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THE SIZE OF THE PROBLEM OF PAIN

It’s a fair bet that you either suffer from period pain yourself or know somebody who does. It’s possible that you’ve already tried aspirins or Panadol, or some other well-advertised pain-killers and they haven’t been much help, or have produced side-effects you weren’t too keen on. It’s possible that you’ve been to a doctor who has been quite sympathetic, but too overworked to do much to help you. It’s possible you’ve been to a doctor who hasn’t even been sympathetic. You may have been told that the best cure is to get married, or to have a baby, or to grow older, or to try to ignore it. It’s quite likely you’ve been made to feel you are making a lot of fuss about nothing. After all, as the popular argument goes, it’s a normal function so it shouldn’t be painful. If you’re in pain then there must be something the matter with you. It’s probably psychosomatic— ‘all in your mind’.

So let’s get that particular myth out of the way. Period pain is not in your mind. It’s very real and it’s in your body. You might feel it in your womb, which is low down in your abdomen, or in your thighs, or in the lower part of your back. It can cause sore breasts, a swollen belly, migraine, depression, extreme fatigue, irritability, clumsiness, vomiting or constipation. And you are not imagining any of it. In fact being told ‘It’s all in your mind’, or ‘You’ll grow out of it’, or ‘You’re not like other women’, doesn’t help, but simply makes you feel worse. And, of course, it’s not true. It’s pretty generally accepted these days that if you’re afraid, your fear will make the pain worse.’ But fear or anxiety won’t give you the pain in the first place.

You are not abnormal if you suffer from period pain. Most women do. The trouble is that most women also suffer from a feminine conspiracy to keep it secret. It’s a sad fact that period pain is the one pain most women don’t admit openly. The young man who sprains his ankle playing football over the week-end will talk freely about the discomfort he’s in and gladly allow his friends to rally round and support him until he recovers. A woman in pain rarely admits it, and she certainly won’t expect the men she works with to support her. We still have a sneaky feeling that anything unpleasant that happens to us as a result of our sexuality is somehow our own fault. So we keep quiet about it. Or most of us do.

Fortunately, thanks to Dr Katharina Dalton, a stalwart campaigner on our behalf, and doctors like her, there are now plenty of facts and figures available about periods and period pain. Because of Dr Dalton’s work, we now know that there are two different kinds of period pain, and that about seventy per cent of women suffer from one or the other at some time or other in their lives. In other words, pain with a period is the norm in Western society. So if any group of women could truly be said to be ‘abnormal’, it’s the lucky thirty per cent who never experience any pain at all!

There’s one last myth to tackle before we get down to the practical details. It’s still quite common for women who suffer from period pain to be told by friends or relations, or even by some medical personnel, that there’s not very much they can do about it. That might have been true twenty-five years ago, but it isn’t true today. There are all sorts of things you can do to help yourself.

Not all of them work for everybody. Some will provide dramatic relief, others will help to reduce the pain to bearable limits and some will have no effect at all. We all need individual treatment.

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ALLERGIES AND “MENTAL” PROBLEMS

Allergies can not only cause familiar physical symptoms but can also be responsible for a host of so-called mental problems, including some cases of what looks like outright psychoses. Remarkably, the complete avoidance of a particular food or foods sometimes brings relief of such symptoms, while the reintroduction of the incriminating food can bring back the “mental” problem.

I first observed a possible link between food allergy and mental-behavioral problems in the late 1940s. As previously mentioned, I started performing food ingestion tests in my office upon beginning my practice in Chicago in mid-1944. A commonly eaten food to be tested would be avoided completely between four and six days before such an ingestion test. Although minor abnormalities of mood and behavior had been observed earlier in patients undergoing these tests, the following cases confirmed the credibility of the relationship between given foods and mental reactions.

CASE STUDY: HEADACHE WITH FATIGUE

Janet Cott, a young woman, complained of headache, fatigue, depression, and intermittent lapses of memory. She had been in the habit of eating eggs for breakfast for many years. After avoiding eggs for a week, she came to my office for an egg ingestion test. Five minutes after eating two eggs, she reported the onset of dizziness, heavyheadedness, and nasal stuffiness. At 10 minutes she started pacing in the food test room. At 15 minutes she began to cry in front of the other patients.

I urged her to come to another room. She either failed to understand or could not make a decision; she remained semiconscious for the following half-hour and cried intermittently for two hours. Upon recovering, she could not recall the events which had happened since the onset of the acute phase of her reaction. Her pulse rate, which had been 70 before this ingestion test, reached 104 at 30 minutes, and 110 at 60 minutes after the first feeding.

CASE STUDY: FATIGUE WITH COUGHING

A nurse, Edith Demarest, age 40, with a history of running nose, coughing, wheezing, and dizziness, later developed extreme fatigue and occasional headaches, as well as bouts of muscle-aching and depression. All symptoms were accentuated on arising in the morning but improved after drinking milk for breakfast. She also drank milk with each subsequent meal and at bedtime, never suspecting it. She improved while avoiding milk prior to a milk ingestion test. After drinking milk for the test, she developed, at 10 minutes, waves of yawning and sleepiness and then severe episodes of coughing and wheezing. A headache developed at 45 minutes and persisted for 15. At 60 minutes there was increased puffiness of her hands and eyes. The pulse rate of 68 at the start changed to 69, 72, and 76, at 20, 40, and 60 minutes. The white blood-cell count of 7,300 at the start decreased to 3,500, 2,400, and 2,200 cells at 20, 40, and 60 minutes.

Whereas this patient, a recent arrival in Chicago, had usually been timid when driving in traffic, she later admitted that she felt punch-drunk and very happy upon leaving the office two hours after drinking milk. She drove to her home with self-confidence and utter abandon, relatively oblivious to traffic hazards. An hour after arriving home, she felt increasingly hazy and less happy. After taking a short nap, she awakened crying and complained of intense headache, associated with pains across her shoulders, and continued depression. Residual effects persisted for two days. It is interesting that coughing and wheezing were absent during the time she had more cerebral symptoms, such as headache and depression.

Two weeks later, an ingestion test with milk was performed, all milk products having been avoided in the meantime. An increased sense of lightheadedness occurred at 3 minutes. This was followed by extreme sleepiness and grogginess at 5 minutes, which was associated with an inability to read comprehendingly. The patient then developed spasms of severe coughing after 8 minutes, and again at 40 minutes. Some crying occurred 5 minutes later, and sleepiness, grogginess, and persistent headache continued.

Although Mrs. Demarest reported feeling fine at the end of two hours, she again became pale, dopey, and sleepy upon reaching home three hours after the start of the test. The next morning she still had a slight residual headache.

CASE STUDY: HEADACHE WITH FATIGUE AND DEPRESSION

Another woman patient, Ida Koller, age 24, had complained of headaches associated with fatigue and intermittent periods of depression. I noticed that she was slightly dizzy and more talkative than formerly following a milk test in the office, but she assured me that she felt fine and was able to drive home.

Approximately one hour later, I received a telephone call from a suburban police department that Miss Koller had been arrested for “drunken driving.” She gave the unlikely story that all she had had to drink was a glass of milk in her doctor’s office. Since she did not have any odor of alcohol on her breath, the police were puzzled and called me; I confirmed her story. When asked to state this in writing, I complied, and explained how acute allergic reactions to foods may simulate alcoholic inebriation.

Clinical observations of this type which I made in the late 1940s opened several promising avenues for medical investigation, with the following tentative deductions:

Chronic reactions to the cumulative intake of given foods (best referred to as food addictions) occur initially as stimulatory levels of reaction, but later show up as progressive withdrawal responses (see Chap. 2).

Acute reactions to a food (in a food ingestion test) compress the stimulatory-withdrawal sequence into a time frame of minutes or hours in a manner which can be compared to time-lapse photography; this exaggerates the severity of both phases.

Alcoholic beverages and sugars prepared from given foods, because of their greatly increased rate of absorption, induce both chronic and acute reactions more readily than do more slowly absorbed forms of the same food.

These tentative deductions were confirmed and extended by additional clinical observations. My cumulative clinical experience led to the correct interpretation of events in the most advanced case of allergy with “mental” symptoms which 1 had seen up to that time, the case of Mary Hollister.

CASE STUDY: PSYCHOSIS AND WANDERING MANIA

In 1949, Mary Hollister, age 30, was referred to me from an adjacent state with the complaint of incapacitatingly severe headaches. In some of the more serious episodes of her illness, she drifted into periods of extreme hyperactivity which resembled the effects of alcoholism, even though she had not drunk any alcoholic beverage. These episodes were followed by severe depression. Upon recovering from these acute bouts, Mrs. Hollister had no memory of the events which had transpired during them.

When first seen in my office, Mrs. Hollister was too confused to provide an adequate history. Thinking that she was too ill to be handled on an outpatient basis, I decided to have her hospitalized and placed on an elimination diet which avoided several major foods. When visited in the hospital later the same day, she was drinking coffee, which was not on her diet. With the complete avoidance of coffee and other prohibited foods, she became increasingly reclusive and depressed for the next two days.

Following this withdrawal, Mrs. Hollister improved progressively and was soon leading a normal, socially well-adjusted life, going about the floor campaigning for her favorite political candidate. Able to receive a detailed history for the first time, I learned that she had been drinking approximately 40 cups of coffee daily, each cup containing two teaspoonfuls of beet sugar. The diet upon which she improved contained only cane sugar. By pure chance, it had also eliminated four other foods which were later to be incriminated as the sources of food allergies.

When I saw her during the evening meal of her sixth hospital day, I noticed that she was eating beets as a vegetable. Upon leaving the hospital, I went to a far suburb of Chicago to lecture. I had only been there for a few minutes when I received an urgent phone call from the hospital. Mary Hollister was psychotic, racing for the exits, screaming, kicking, yelling, and trying by every means to get out of the place. She was even leaning out of the eighth floor window, her nurse told me, desperately seeking to get more air and apparently unaware of the danger of falling out.

I prescribed the injection of a sedative and left instructions that if this were ineffective they were to apply physical restraints. Mrs. Hollister was sleeping when I checked with the hospital later. But when I visited her the next morning, she failed to recognize me, to remember my name, or to recall other events of the past thirteen years. As her hyperactivity gradually decreased, she became progressively depressed. Although it was possible to remove the restraints after 36 hours, she remained apathetic, extremely depressed, disoriented, and amnesic for the following 24 hours. Then suddenly, and with little advance warning, she became correctly oriented as to time, place, and person.

Seeking a possible explanation for this strange episode, I recalled that she had eaten beets in the evening meal two hours before the onset of this attack. I now suspected that beets, which she had formerly eaten—frequently in the form of beet sugar—and was then eating for the first time in six days— may have induced the reaction, although no one at the time had ever described psychosis resulting from food intake.

After this acute reaction had subsided, 1 obtained permission to insert a tube through her nose into her stomach for the purpose of feeding her without her knowing what food she was being given. We waited expectantly for a reaction after infusing milk, but nothing happened. However, after another “blind” infusion of beets and beet juice the next day, an identical acute reaction was induced and photographed. Again she was, to all appearances, psychotic. Yet this was the result of nothing more complicated than a test reexposure to a common food which she had previously eaten on a day-in and day-out basis. As far as can be determined from having shown a film of this incident at medical meetings in many countries, this is the first recorded instance of an advanced psychotic episode resulting from a test feeding of an allergenic food. It should be pointed out that this case and the more briefly described instances leading up to it were extreme examples gleaned from a large clinical experience. These extreme cases stimulated interest in studying the possible role of food allergy-addiction in mental and behavioral disturbances, including less severe cases.

Mary Hollister’s case is considered by many to be a landmark in the understanding of this form of psychosis and of “mental” problems in general. There are, of course, many theories of mental illness. Usually, however, these theories cannot be proved or disproved, and a true cause of the illness cannot be demonstrated with any degree of scientific accuracy. Mary Hollister’s illness could be relieved or induced simply by manipulating her intake of particular foods— in her case, beets or beet sugar (although a few less important foods were also incriminated).

The cause of her problem remained hidden from her and her previous physicians because of the masked nature of allergies to common foods. Her constant, almost hourly, consumption of beet sugar kept her in a state of relatively normal behavior, but like any “junkie” she was always in danger of failing to get her “fix” or of getting an overdose of her addicting substance.

Mary Hollister’s case raised for the first time the possibility that other forms of so-called mental problems, including the various neuroses usually handled by psychotherapy, could also have an allergic basis. In pursuing this idea over the past thirty years, I have found that food allergies and chemical susceptibility do indeed cause a wide range of “mental” and behavioral problems. In fact, in this period I have seen many problems normally treated by psychiatry successfully diagnosed and treated through the methods of clinical ecology.

These “mental” and physical problems, I discovered, do not occur at random in the life of an individual, but are part of an overall continuum of symptoms in which a patient progresses from various levels of stimulation to corresponding levels of withdrawal in a predictable way, as will be described in the following chapters.

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BURNS IN CHILDREN

Burns are injuries of the skin caused by excessive heat, by chemicals (acids and alkalis), or by electricity. The seriousness of a burn depends on the size, the location, and the depth of the skin burned. Burns are classified as first-degree (the least serious), second-degree, or third-degree (the most serious).

First-degree burns cause reddening of the skin and pain; they may blister after one or two days. (Sunburn is a good example of a first-degree burn.) Second-degree burns redden and blister immediately. Third-degree burns are deepest and cause the death of a full depth of skin; the skin blisters or appears scorched (blackened) or dead white. If more than 10 percent of the skin surface has suffered second-degree or third-degree burns, a serious emergency exists. In fact, any second-degree or third-degree burn should be treated immediately by a doctor. A person with severe burns may go into a state of shock, which is life-threatening and requires immediate medical treatment. Burns of the fingers, joints, and face may be serious because burns in these locations may cause scarring and deformity.

Signs and symptoms

Redness, blistering, or scorching of the skin are the obvious signs of a burn.

Home care

Do not try to treat second-degree or third-degree burns at home; they must be treated by a doctor. If a burn is blistered, charred, or scorched, cover it with a clean, wet cloth; keep your child warm; and see your doctor at once. Do not apply ointments or other treatments to burns that will need a doctor’s care.

First-degree burns (reddened skin only) can usually be cared for at home. Immediately apply cold water compresses to the burn, or place the burned area under cold running water. Continue applying cold until the pain lessens, or for up to half an hour.

First-degree burns treated at home must be covered to prevent infections.

The covering should not stick to the burn, but it should keep out air and germs until the burn has healed. (Once air is kept from the burn, there should be no

Generously apply petroleum jelly. Then cover the area with several thicknesses of sterile gauze. Change the dressing every 24 to 48 hours until the burn completely heals.

Simple sunburn does not need to be dressed and covered in this manner.

Precautions

• If a severely burned child becomes weak, pale, cold and clammy, or shows any other signs of shock, keep the child warm and get medical help immediately.

• Prevention is extremely important.

• Water over 46°C can scald. If there are young children in the home, turn the thermostat on the water heater down low.

• When cooking, keep your eyes on young children.

• Keep matches and cigarette lighters out of your child’s reach.

• Do not keep petrol or other inflammables in the home. Keep them under lock and key outside.

• Avoid inflammable garments.

• Keep child-proof plugs in electrical outlets.

• Serious electrical burns commonly occur when young children chew live electrical wires and extension cords.

• Second-degree and third-degree burns require up-to-date tetanus boosters.

• Do not leave children home alone – not even for a moment.

Medical treatment

Your doctor will usually hospitalize your child for any third-degree burns; for second-degree burns that cover more than 10 percent of the skin; and for second-degree burns of the face, fingers, or joints. Hospital treatment involves proper dressings, close attention to the need for intravenous fluids, attention to kidney and stomach complications, and sometimes antibiotics and plastic surgery.

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MALE FERTILITY: WHY ARE SO MANY SPERM NEEDED?

The count is a measurement of how many sperm there are per milliliter, there should be at least 20 million. And yet a man might have a volume of 4ml, which would equal 80 million sperm in that one sample. As it only takes one sperm to fertilise the egg, and indeed nature tries to prevent any other sperm entering once one has penetrated the inner surface, why are millions produced in each ejaculate? As with other aspects of nature, abundance is the rule. Many more seeds are produced from a plant than will actually get a chance to germinate. It is the same with frog spawn where, from that enormous mass, hundreds of tadpoles can emerge but only a small proportion will eventually become frogs. Nature always works on the principle of ’survival of the fittest’, basing her calculations on the fact that, from the huge number produced, be it seeds or sperm, many are going to die off en route.

It is estimated that only a small fraction of sperm will actually reach the egg (as few as 100), as the sperm need to swim up the vagina, through the cervix and up the fallopian tubes. Normally only one egg is released and this egg will travel down one fallopian tube, so half of the sperm that are left after the long journey could be traveling up a tube with no egg in it.

When they finally meet the egg, a number of sperm will surround it. On the front of the sperm’s head is the acrosomal head cap which contains certain degradative enzymes to help dissolve the cumulous cells surrounding the egg. The combined action of a number of sperm helps with this dissolving process but only one sperm actually gets through the next layer, the zona pellucida. As soon as the egg is penetrated, rapid changes take place in its outer layer and no other sperm can get through.

Intriguing facts about sperm

• A sperm lashes its tail 800 times to travel 1 millimeter.

• Sperm reach the woman’s fallopian tubes 30-60 minutes after ejaculation.

• Sperm are produced at an average of 1,500 per second from each testicle.

• In the right conditions, sperm can live up to five days.

• One sperm can swim 3 millimeters per second.

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EXTENDING AGE: LIVING LONGER, LIVING BETTER

Alcohol doesn’t just help against the biggest life-threatening ailments. There are scads of research to show that moderate drinking can ward off other common health problems-the kind that can make life pretty miserable sometimes. Here’s a catalog of the conditions you can raise a glass to.

Beating the runs: Diarrhea may not be particularly life-threatening to you, but there’s no doubt that it diminishes your quality of life, especially when you’ve plunked down a couple grand for the vacation of a lifetime and all you’ve seen is the inside of the international John. Believe it or not, wine may help here, too.

Wine has long been used as a digestive aid across the world. Now researchers know why. When scientists were experimenting with ways to kill some of our most vicious intestinal foes, including Escherichia coli and salmonella, they tried dousing them in test tubes with wine, tequila, ethanol, and bismuth salicylate – better known as Pepto-Bismol. Though the bismuth salicylate did okay, wine was the overall winner-killing more than six times as many bacteria as the pink stuff. (The tequila and the ethanol had no effect on the bugs.) And it seems that just six ounces may be enough to do the trick.

Getting unstoned: Kidney stones aren’t exactly lethal, but passing one is enough to make any man wish he were dead. You’ll be happy to know that a couple of beers a day can keep the kidney stones away, according to Harvard researchers.

After surveying more than 45,000 men intermittently over a six-year period, the researchers found that men who drank two or more beers a day were four times less likely to develop kidney stones than men who didn’t drink. Wine was not quite as effective, but it still cut the kidney stone risk in half.

Keeping your wits: Your head may also enjoy a small nightcap, but not in the way you think. You probably already know of alcohol’s ability to remove all memory of, say, that drunken line dancing episode. What you don’t know is that in much lesser amounts, alcohol may actually boost your memory.

According to a study by researchers in the Netherlands, folks who have a drink or two a day seem to be half as likely to have poor thinking ability as teetotalers. And French researchers found that among 2,273 people older than 65, those who drank 8 to 16 ounces of wine a day were much less likely to develop dementia, which may be an early stage of Alzheimer’s disease, than people who drank less or no wine. We need more research to further explain how alcohol works. Luckily, there’s no shortage of volunteers for future studies.

Living longer in general: With the combination of all these benefits, it seems that a daily bottle of beer or a glass of wine may actually extend your life.

In a 12-year study of more than 13,000 people, researchers in Denmark found that people who drank a couple of glasses of wine a day lived longer than folks who never touched the stuff because they had lower risks for heart disease and stroke. And in the land Down Under, Australian researchers studying 1,236 men over age 60 found that those who drank reasonable amounts of alcohol regularly-anywhere from one to three drinks a day-lived significantly longer than men who completely abstained. Another study, this time of 490,000 people ages 35 to 69 by the American Cancer Society, concluded that moderate alcohol intake in this age group slightly reduced deaths from all causes.

Rules to the Drinking Game

Finally, an umpteenth reminder: If your local tavern hails you as the reigning champion of Three-Man and Mexican Dice, you likely won’t enjoy any of the benefits we’ve listed here. To get the most out of alcohol, you have to drink responsibly. According to guidelines established by the federal government, here’s how.

Don’t play averages. You can’t save up your one or two drinks a day and have 14 on Friday night instead. You should drink no more than two drinks a day. Don’t binge.

Wait until the dinner hour. Lunchtime is not Miller time. Even one drink during the workday slows you down mentally and physically. Save it for when you get home.

Go right on red. Though health benefits of moderate alcohol consumption are associated with all types of alcohol, remember that red wine is the way to go for antioxidant phenolic compounds. Researchers from the University of California, Davis, tested 20 California wines and listed the most phenolic-rich types. Try one of these next time you’re out: Merlot and Petite Sirah.

*35/36/5*

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BREAST DISORDERS: CYSTS, FIBROADENOMA

Cysts

A lump in the breast is most likely to be a fluid-filled cyst or one of a variety of benign tumours which can be treated effectively (e.g. a duct papilloma or fibroadenoma).

Cysts are most common in women between the ages of 40 and 50, particularly in those who have not had children. Although the majority of cysts are solitary, some women may have between two and five in one or both breasts.

It is thought that cysts form as an aberration of the normal process of shrinking of the breast which occurs as women get older. Their development appears to be hormone related – possibly associated with the balance between different hormones. Cysts are commonly part of fibroadenosis.

Symptoms

Cysts normally become apparent as smooth lumps in the breast which may be painful. They are usually quite hard, but can be squeezed between the fingertips. A painless cyst may only be discovered during routine screening by mammography.

Diagnosis and treatment

When a cyst is suspected, and ideally its presence has been confirmed by an ultrasound scan, a needle aspiration may be undertaken. The fluid is withdrawn through a needle -the cyst often collapsing like a pricked balloon – and is sent for examination. The remains of the cyst will need to be examined again after about 3 weeks.

Rarely, cancers can form as cysts, and for this reason any aspirated bloodstained fluid needs to be examined under a microscope, and a biopsy may be necessary. Non-cancerous cysts rarely yield bloody fluid.

Cysts are easily identified by ultrasound or a mammogram, and these investigations may be done when a cyst is suspected in a woman over the age of 35. If a cyst is revealed which cannot be felt, a guided needle aspiration may be undertaken.

Although cysts will sometimes refill with fluid after aspiration, further treatment is not normally required. However, surgical removal of a cyst which refills after two or more aspirations is probably advisable as a cyst of this type may be associated with breast cancer. For the same reason, cysts in post-menopausal women (which are uncommon) may need to be surgically removed. There is, however, little evidence to suggest that other types of cyst are linked with breast cancer.

For women with multiple cysts, although drug treatment will not affect those already present, it may help to prevent more developing.

Fibroadenoma

This is the most common type of solid benign breast lump, and is usually found in women between the ages of 15 and 25, although it can occur at any age. A fibroadenoma is a fibrous lump of glandular tissue surrounded by a capsule which can grow to as much as 3 to 4 cm (1 to 1.5 inches) across. Fibroadenomas which develop deep within the breast tissue may remain undetected.

Although fibroadenomas are uncommon after the menopause, they do occur in women in this age group. It may be that as the breast tissue is replaced by fat, a previously hidden lump is revealed. Some post-menopausal women choose to have a fibroadenoma removed to be absolutely sure of its innocence.

Symptoms

A fibroadenoma may appear as a firm, often hard, painless lump. It is likely to be very mobile, and will slip easily out of the fingers when held – hence the name ‘breast mouse’. In younger women the tumours rarely grow very large.

Diagnosis and treatment

The results of fine needle aspiration, mammography or ultrasonography may have to be confirmed by excision biopsy. Surgical removal of fibroadenomas is not usually necessary for medical reasons in younger women, but they can be the cause of some anxiety and many women, both young and old, prefer to have them removed. However, very occasionally, a cancer can mimic a fibroadenoma, and for this reason it is probably advisable to remove any persistent lump of this type in older women, particularly if any doubt remains.

Fibroadenomas rarely recur once excised, although others can sometimes form elsewhere in the breast.

*13/39/5*

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PREVENTIVE MEDECINE: IMPORTANT QUESTIONS ASKED ABOUT SCREENING

Are screening procedures likely to pick up the diseases that really matter?

This is difficult to answer but an examination of the results of ten major industrial health examination programmes in the US found that less than half of the people who subsequently died from cancer had the condition diagnosed at a screening examination, and slightly fewer than two-thirds of those who died from heart disease were identified prior to developing symptoms of lethal heart disease. Even if we do agree that picking up some people who are at risk from such serious disorders, and treating them ahead of time is valuable, regular screening appears to be a rather insensitive tool for the early detection of serious diseases.

Will the treatment of a risk factor really have an impact on the development of the disease?

It is all very well knowing that someone has an increased likelihood of, say, having a heart attack or stroke if he or she has high blood pressure but prevention is more complicated. Reducing blood pressure brings a marked reduction in the risk of having a stroke but, it seems, a much smaller reduction in the risk of having a heart attack.

Will people act on the results of screening?

Results from screening procedures are of no value in themselves-they have to be acted upon by someone. Any smoker knows how difficult it is to stop and every fatty how difficult it is to slim.

The results of the many studies that have examined how reliably patients take medication are sobering. Studies in Canada, for example, have found that ‘ambulatory patients are unlikely to take more than 50 per cent of the prescribed medications they receive from clinicians and the amount of knowledge which a patient possesses about his or her illness has almost no relation to that patient’s degree of compliance with therapeutic instructions’. So if people won’t or don’t take their medication or the advice the doctor gives, why bother to tell them what’s wrong in the first place? A study of high-blood-pressure patients found that those who were told they had the condition, following screening, had more sickness absence from work than those who weren’t told.

Do screening programmes really alter the outcome of disease?

Interesting research has come from the Kaiser-Permanante Group in California who randomly divided several thousand patients into two groups. The first group was encouraged to have regular health screening whilst the other used the medical services as and when they needed them. After seven years of study the results showed no advantage to those who were screened regularly-or rather no advantage for women and only a small one for men. Only men aged between 45 and 54 when they entered the trial showed differences in illness and absenteeism from work.

Perhaps of most significance is that of the 400 deaths occurring in the control group (those not given regular screening) during the experimental period only 15 per cent were judged to have been ‘potentially postponable’ with the best possible application of preventive medical treatment!

Are we evaluating screening tests properly?

Every disease has a natural clinical course and to a great extent the success doctors have with treatment depends on where in this process they catch the disease. Early diagnosis through screening will always appear to improve survival because screening will tend to detect patients in whom the disease has a long hidden (pre-clinical) stage. As a result conditions picked up during screening can expect to have a better outcome even if the treatment they receive has no effect at all.

Could screening actually be harmful in any way?

In our understandable desire to detect everything as early as possible it is easy to forget that screening has a potential for harm too. First, it costs an enormous amount in terms of both money and other resources to screen thousands or even millions of people, and the ratio of positive discoveries to cost can be very low indeed. This is closely linked to the fact that in a free society we cannot force people to be screened for most things. So it is that in certain conditions (notably cervical cancer) the people who come forward to be screened are the least likely to be at risk, while those who stay at home would be the most cost-effective group to be screened. In a society with finite resources for medical care-which is now the case in almost every country-such a ‘waste’ of money and resources must be a serious cause for concern.

*29/72/5*

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