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cognitive performance

DHEA Supplement Shows No Effect on Alzheimer's Disease

The supplement dehydroepiandrosterone, or DHEA, which has been touted by some as an anti-aging hormone and a treatment for diseases such as cancer, AIDS, diabetes and Alzheimer’s disease, showed no effect for Alzheimer’s disease patients who took the supplement for six months, according to a study published in the April 8 issue of Neurology, the scientific journal of the American Academy of Neurology. DHEA is a hormone produced naturally in the adrenal glands. The body then converts it into the hormones estrogen and testosterone. DHEA as a supplement is made from plant chemicals.

Hormones Important In Female Athletic Competition

A new study has found that women athletes get far more pumped up before and during athletic competition than their male counterparts. Pre-event testosterone levels rise 9 percent, on avergae, in males whereas in females they increase by 24 percent. During the game itself women increase their testosterone production by 49 percent while in males, it increases on average 15 percent. The rise in testosterone that accompanies competition is thought to make the individual more willing to take risks, improves psychomotor function and coordination, and increase cognitive performance qualities that are very important in winning.