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Health & Medicine
Double trouble
Issue Date: Nov 30, 1999
stressful events are inherent to human existence. The death of a loved one, breaking up of an important relationship, losing a job, financial problems and loss of health or independence. All people undergoing such events are at a high risk of developing depression. While such events make life difficult, people find ways to get through such periods more often than not.
The female gaze
Issue Date: Nov 30, 1999
Women's liking for men -- or at least male faces -- varies according to the menstrual cycle, claim Ian Penton-Voak of the University of St Andrews in Fife, the UK, and his colleagues. They say there are days during the month when women actually prefer 'masculine', 'Clint Eastwood-types' over the more 'feminine' Leonardo DiCaprio-lookalikes. Moreover, women taking contraceptive pills do not seem to be influenced by the hormone cycle and prefer men with softer faces.
Marinate to prevent cancer
Issue Date: Nov 30, 1999
Marinating a steak before grilling not only improves its flavour and tenderness but also decreases the production of carcinogenic compounds. The latest evidence for this comes from Mark G Knize, scientist at the Lawrence Livermore National Laboratory, USA, as part of a study financed by the National Cancer Institute. Marinating chicken even less than an hour before grilling substantially decreases the production of heterocyclic amines, cancer-causing agents that develop when fat from grilled meat drips on hot coals and then wafts upward.
Macaroni in the brain
Issue Date: Nov 15, 1999
the disease first goes unnoticed, affecting people in the autumn of their lives. Initially, people forget where the keys were left, forget a name or two and, eventually, they lose their direction -- literally. Ultimately, it destroys that which makes us humans so special: our memory, our cognition, our skilled movements, and our language -- until it has robbed us of our personality altogether.
Succumb to the temptation
Issue Date: Nov 15, 1999
indulging in chocolates is good for the heart, say scientists. Shunned by many for its high calories, chocolate actually ensures long, healthy life.
Bad company
Issue Date: Nov 15, 1999
two separate studies report that the visual experience of one eye influences the growth and subsequent quality of vision in the other. Previously, it was believed that a problem existing in one eye -- a cataract or nearsightedness, for instance -- would have no ill effect on the other, normal eye.
Sterile fathers, sterile sons
Issue Date: Nov 15, 1999
New fertility techniques have enabled men with low sperm counts to father children. But it appears that sons born to some of these men may also be infertile. An estimated 10-15 per cent of all men, who can produce little or no sperm, suffer from a genetic defect in a part of the Y chromosome known as the AZFc. When these men father children through in-vitro fertilisation (ivf) techniques, their sons tend to inherit the genetic defect. Daughters are not affected as females receive from their fathers an X chromosome instead of the Y chromosome.
Aching back: a family legacy
Issue Date: Nov 15, 1999
Backache is the second major cause of employee absenteeism after common cold. Now, Susanna Annunen and her team from the University of Oulu in Finland report that inter-vertebral disk disease, also called sciatica, may well run in the families with a gene called COL9A2 that is responsible for the condition. Sciatica is a painful condition in the region of the lower back and hip, affecting about half of all people with serious back conditions. In many cases, it causes numbness, abnormal sensitivity and tingling.
Not all good, not all bad...
Issue Date: Oct 31, 1999
cholesterol is much misunderstood as a compound. True, much of the wrong sort of fat-like substance can get deposited and inhibit blood flow. Yet, it forms the raw material for making hormones and acts as a carrier for fats. And a recent study has associated low cholesterol levels with severe depression. But in those who smoke or have high blood pressure, high levels of blood cholesterol creates heart and circulatory diseases.
