Medical experts reveal the often-missed signals of testosterone deficiency in men, from subtle mood changes to unexplained ...

Hall scheduled an appointment with a specialist, and in 2024 started testosterone replacement therapy (TRT)—receiving regular ...

Much like all biases based on hormones, the rules that exclude transgender people in sports are based on little to no ...

A single gene in the shorebird species known as ruffs controls the levels of testosterone in males, and this in turn affects ...

A new study has discovered the reason why men tend to sustain more heart muscle damage following a heart attack than women: ...

A comprehensive review published in Brain Medicine by leading neuroendocrinologist Professor Hyman M. Schipper from McGill ...

A new study published in Proceedings of the Royal Society B challenges the widely held belief that fluctuations in ...

Study found that there was no significant positive relationship between daily changes in testosterone levels and daily ...

Stress is like kryptonite for testosterone. When you’re constantly stressed, your body automatically has an endocrine response to it by pumping out cortisol—a hormone that, while helpful in short ...

Most of our health centers provide hormone therapy and other gender-affirming services for transgender and nonbinary patients. Planned Parenthood is proud to provide a safe and welcoming place to get ...