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Testosterone is a sex hormone that regulates a number of processes in the human body, including fertility, sex drive, bone mass, fat distribution, muscle mass, and red blood cell production.

Testosterone is arguably one of the most essential hormones for supporting men’s health. It plays a role in supporting intimate, bone, muscle, and mental health. Testosterone levels that are higher or ...

What you eat or drink may affect levels of the male sex hormone, but whether a diet can increase libido or energy depends on many things. Credit...Aileen Son for The New York Times Supported by By ...