Masculinizing hormone therapy is one way those who were assigned female at birth can achieve masculine body characteristics to help them feel more at ease in their skin. Here's what you need to know ...

A clinical study of 65 men found testosterone injections improved libido for people with diabetes. The study's lead author said the findings were the first to show improvement from testosterone in a ...

Dear Dr. Roach: My 75-year-old husband was frustrated with not being able to retain an erection. He talked to his doctor about it, and she prescribed 200 mg of testosterone cypionate, which he would ...

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 ...