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DHEA

DHEA Supplements Do Not Slow Aging, Study Finds

The fountain of youth apparently does not yet come in a pill.Widely used DHEA supplements and testosterone patches failed to deliver their touted anti-aging benefits in one of the first rigorous studies to test such claims in older men and women.The substances did not improve the participants' strength, their physical performance, or certain other measures of health."I don't think there's any case for administering these" to elderly people, said Dr. K. Sreekumaran Nair of the Mayo Clinic, lead author of the study, published in Thursday's New England Journal of Medicine.DHEA, a steroid that is a precursor to the sex hormones testosterone and estrogen, is made by the body, but levels decline rapidly after age 25. DHEA supplements are marketed as rejuvenating agents, and U.S. sales hit $50 million last year.Testosterone is available by prescription only. But the Food and Drug Administration classifies DHEA as a supplement, meaning it can be sold without meeting the same safety and effecti...

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