Low testosterone isn't always just a normal part of aging. Learn the signs of hypogonadism and the treatment options that can help you feel your best.

Increased testosterone levels are a consistent hormonal abnormality in women with polycystic ovary syndrome (PCOS). A study has identified specific DNA variants in the gene DENND1A, which increase testosterone production in PCOS. Using human PCOS cell ...

Men’s testosterone levels have fallen by half in last 50 years, scientists warn - Environmental factors like hormone-disrupting substances may be contributing to testosterone decline, scientists say

KNOXVILLE, Tenn., Oct. 27 (UPI) --Testosterone is important for red blood cells, bone growth, sexual function and mood in men. Men are generally treated for low levels of the hormone, called hypogonadism, with testosterone replacement therapy using topical ...

University of Notre Dame Associate Professor of Anthropology Lee Gettler and his collaborators have drawn on data collected over more than 30 years from almost 1,000 men in the Philippines to help shed light on the importance of adolescence and father-son ...

Add Yahoo as a preferred source to see more of our stories on Google. Reeder explains that testosterone is far more involved than you would first think -- it plays are part in everything from muscle maintenance to energy levels to red blood cell production.

Think icing your balls will boost testosterone? We asked a urologist to explain what actually works for hormone health and male fertility.

After years of research, we finally understand how GLP-1s impact T on day 1 versus years later.

Wearable devices have made health data tracking routine, with many men now tracking their daily readiness or recovery scores, often without a clear sense of what those scores represent. Smartwatches and other wearables estimate an autonomic state from heart rate,