Testosterone is the primary androgen — or male hormone — in your body. Low testosterone affects up to 39 percent of adult men in the US over the age of 45, and becomes increasingly prevalent as men ...

Relative energy deficiency in sport (RED-S) can occur when athletes use more energy than they take in. This may happen because they have consumed too few calories or exercised too much. Symptoms of ...

Testosterone plays a crucial role in men’s health, influencing everything from energy levels and mood to muscle mass, bone density, and sexual function. Understanding the causes, symptoms, and ...

Relative energy deficiency in sport (REDs) is a condition that develops when an athlete doesn’t get enough fuel to support their body’s energy demands. Relative energy deficiency in sport (REDs) can ...