Testosterone is the quintessential male hormone (androgen), and it's a busy one, helping to regulate intimate function, muscle mass, red blood cell count, mood, and more. But not all testosterone in ...

For more than 80 years, men have been told that testosterone helps prostate cancer grow. But a very different picture has emerged over the past two decades. The prostate is a small gland that sits ...

Videos promoting #testosteronemaxxing are racking up millions of views. Like “looksmaxxing” or “fibremaxxing” this trend takes something related to body image (improving your looks) or health (eating ...