Saturday, October 23, 2010

A hormone that ups longevity if you're rich

A hormone that ups longevity if you're rich
LONDON: British scientists have identified a hormone which they claim helps you live longer — but only if you are rich. Researchers at the University College London found that higher levels of the hormone, called DHEAS, help boost memory and ability to cope with stress, particularly in men aged over 50 years. 

But the levels of DHEAS, secreted by the adrenal glands that sit on top of the kidneys, are found to be higher among those who exercise more and have an active life with lots of pastimes, interests , friends and family — all of which tend to come with wealth. 

The findings, according to the researchers, could pave the way for new class of drugs, patches or injections which will help boost the DHEAS level. Michael Marmot , who led the study, said it's too early to say higher level of DHEAS is a result of being rich. 

But, factors such as a better diet, greater control over life, less stress, more travel and involvement in the wider world through hobbies, sport or other interests — which all are benefits of wealth — seem to be encouraging the body to create DHEAS, he said. Improving the level of the hormone is not a simple matter of popping a pill. "In my view, it is a much bigger issue and involves the package of choices that wealth opens up," he said. 

Production of DHEAS is greatest in childhood and teenage years, before gradually declining through adult life. By the age of 80 it could be just 10% of the peak teen level. The two hormones help control reactions to stress and regulate various body processes including digestion, the immune system, mood and energy, the experts said.



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