Testosterone, sometimes known as the male hormone, has well-known effects on competitiveness and status-seeking behavior. But does it also influence what men find attractive in women? Research has ...

This article was reviewed by Kelly Brown MD, MBA. Like other medications that affect your hormones, taking testosterone comes with potential risks, and infertility may be one of them. Testosterone is ...

Due to biological differences in metabolism, body composition, and hormones, men generally burn more calories than women. When looking for reasons to explain this discrepancy, testosterone may stand ...

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Kade was 21 years old when he started injecting testosterone. On the surface, he looked like the picture of health, but he didn't feel like it. He felt unmotivated and anxious, so anxious he couldn't ...

Testosterone is the primary androgen — or male hormone — in your body. Low testosterone affects up to 39 percent of adult men in the US over the age of 45, and becomes increasingly prevalent as men ...