What is TRT? Experts weigh in on male "manopaus" and how to treat low testosterone safely.

High or low testosterone can affect your health. Learn how testing works, what results mean, and when to talk to your doctor. Explore the full guide here.

Find out from the experts at WebMD the connection between low testosterone and erectile dysfunction (ED), including the effects of testosterone replacement therapy (TRT) on ED.

Androgenic alopecia (AGA) affects both men and women worldwide. New blood vessel formation can restore blood supply and stimulate the hair regrowth cycle. Recently, our group reported that ...

In 2022, Aisha Kabia started to experience symptoms she originally thought could be long COVID: brain fog, fatigue, and joint pain. As an actor based in Los Angeles, she was used to memorizing ...

Here are nine side effects that might happen to your body after you start taking testosterone replacement therapy for low testosterone levels.

Circulating testosterone concentrations within the high-normal range are independently associated with an increased risk of incident AF amongst healthy older men. This suggests that AF may be an ...

Females usually produce very little testosterone. Learn about conditions that cause high testosterone in females, as well as about symptoms and treatment.

The cardiovascular safety of testosterone-replacement therapy in middle-aged and older men with hypogonadism has not been determined.

As men age, both their testosterone levels and muscle mass naturally start to decline. Some men may start noticing symptoms of reduced testosterone, such as hair loss or fatigue. But because ...

Testosterone may not significantly impact libido as commonly believed. Learn what this hormone truly does and doesn't do for your sex drive.