No amount of sleep is enough. Sex is much less interesting than it used to be. You wonder if you have depression. At work, you aren’t as sharp as you used to be, and struggle to focus throughout the ...

Testosterone is the primary androgen — or male hormone — in your body. Low testosterone affects up to 39 percent ...

Additional signs of low testosterone include a loss of body hair since testosterone promotes body hair growth. Diminished testosterone levels can also affect one's ability to build and store muscles; ...

Exercise affects testosterone in other ways, too, says Brian McNeil, M.D., chief of urology at SUNY Downstate Health Sciences ...

Everyone produces testosterone, regardless of sex. Not only is it a pivotal hormone in development (particularly for males) and for masculine characteristics, it's also essential for muscle growth, ...

Testosterone replacement therapy (TRT) is a common treatment for easing symptoms of low testosterone (hypogonadism) in men. These symptoms include ED, low libido, fatigue, muscle loss, and depression.

What are normal testosterone levels by age? An older photographer mentors a younger one. Testosterone is an important hormone. It helps men develop during puberty, and as they age, it plays a critical ...

Testosterone is the quintessential male hormone (androgen), and it’s a busy one, helping to regulate intimate function, ...

Whether you get out of breath running to catch a train or your cardio workout has stopped feeling challenging, you may wonder how to increase your stamina (or if it even needs a boost in the first ...