The latest news on testosterone
Seeing the flowers in summer temperatures triggers male goldfinches' reproductive readiness.
Lackluster sex drive or lagging energy may not be caused by low levels of the hormone.
4 foods that help prevent or manage type 2 diabetes; 2 ways to get kids to watch less TV.
Those with higher levels of the male hormone take more risks, research finds.
Rankings of America's Best Health Plans, a patch that boosts sex drive, and the merits of placebo use.
New research hails the testosterone patch, but lifestyle fixes may be safer.
But, the male hormone therapy may cause unwanted hair growth, study finds.
A change in appearance gives hormones a boost.
Gels, patches, and creams of the hormone aren't the only options.