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Sufficient evidence for reducing sugar intake to tackle obesity?
A Viewpoint article in this week's issue of The Lancet considers the evidence behind a recent WHO/UN report to restrict consumption of free (added) sugars to counteract obesity and concludes: 'when considered in aggregate they [available studies] provide considerable evidence to suggest that sucrose and other free sugars contribute to the global epidemic of obesity'.
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Wrestling boosts immune system of adolescent boys
Wrestling boosts the immune system, reveals a small study of adolescent boys in the British Journal of Sports Medicine. more
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Caution urged on testosterone therapy
By age 60, about one in five men have testosterone levels much lower than the norm. According to the April issue of the Harvard Heart Letter, millions of men are turning to testosterone therapy as a way to restore vitality and slow down the aging process. more
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Technology watch: Single spot of blood can pinpoint high stress levels
One of the hangovers of the primeval "fight or flight" reaction, an automatic response to a potential threat or danger, is stress. Over a short period of time the body is able to cope with it quite adequately as it allows an individual to deal with any immediate problems in a positive way. Problems arise when intense stress occurs on a regular basis over a long period of time.
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Biology could explain reduced HIV infection risk for circumcised men
Research from India published in this week's issue of The Lancet suggests that circumcised men could be over six times less likely than uncircumcised men to acquire HIV infection. The study also shows how the explanation for this decreased risk in circumcised men is likely to be biological rather than behavioural, with thin tissue in the foreskin being the likely target for viral activity. more
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Blood pressure ‘time bomb’ warning for UK’s ethnic minority children
Children of some ethnic minority groups in Britain are losing the protection —low blood pressure —against heart attack and stroke seen in their in adulthood counterparts. And experts believe the rise in blood pressure may be caused by the children’s exposure to environmental factors such as lack of physical exercise, poor diet, obesity and stress. The findings by academics from the University of Edinburgh and the Erasmus Medical Centre in the Netherlands, are published today (23 March) in the Journal of Human Hypertension. more
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Why we often think other people’s jobs are easier than our own
When a subject lifts a heavy box, and sees someone else lifting an object, the subject thinks the other person's box is lighter than it really is. It seems therefore that performing an action influences our perception of an observed action. This is the central finding of a paper published in today’s edition of the journal ‘Current Biology’ from a research team led by Dr Antonia Hamilton of the Institute of Cognitive Neuroscience at University College London (UCL). more
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