Can testosterone shots really boost energy and mood in women? Are peptides the secret to younger skin and stronger muscles? And what about those trendy IV vitamin drips popping up in spas and ...

Exercise affects testosterone in other ways, too, says Brian McNeil, M.D., chief of urology at SUNY Downstate Health Sciences University. When you work out, you’ll improve your overall health and ...

Demand for the hormone is surging, and not just to treat libido. Here’s what we know about its benefits, and potential risks. By Danielle Friedman Five years ago, when Dr. Risa Kagan offered ...