Some men naturally have a lower testosterone level than others. Others have low testosterone due to age, genetics, lifestyle, or dieting. While low testosterone levels can be devastating to any man’s ...

Low testosterone may affect sexual desire and erection ability, with significant effects typically occurring at very low testosterone levels. High testosterone usually doesn’t cause erectile ...

Drinking alcohol in small and occasional amounts may increase testosterone production. However, larger or more frequent amounts of alcohol consumption can have the reverse effect. Alcohol consumption ...

Testosterone’s primary functions are sexual desire and function. However, low testosterone may also impact cognition, leading to symptoms like brain fog. Researchers are finding that testosterone ...

In men, marked hypogonadism due to pituitary or testicular disease generally has readily recognizable clinical manifestations, such as decreases in libido and sexual activity, loss of secondary sex ...