Demand for the hormone is surging, and not just to treat libido. Here’s what we know about its benefits, and potential risks.

Testosterone is one of the few hormones that’s broken out of biology textbooks and into the popular consciousness.

The condition may be tricky to spot as it overlaps with other common symptoms, including tiredness and weight gain ...

Endocrinological research has estimated that as men age, natural levels of the male sex hormone testosterone can decline 50% ...

The symptoms are not always obvious, but there are a range of signs that can be associated with the common but 'little known' condition ...

Understanding when and why men outperform women, and under what circumstances that can change, is suddenly a fraught topic.

Last week, two inquiries were announced into “gender-affirming care” for minors. Queensland Health Minister Tim Nicholls ...

When couples struggle to conceive, the focus often falls on the woman. Yet, male infertility accounts for about a third of ...

Can your hands reveal something about your personality? According to some studies, the length of your fingers—specifically your ring and ...

Dr. Nichols credits HRT with helping to alleviate hormonal imbalance symptoms such as menopausal discomforts, decreased bone ...

The Hybrid Strikes Back?” Or, “Return of the Jeep?” Either would be fitting movie titles for this year’s Chicago Auto Show, ...