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 ...

This article was reviewed by Felix Gussone, MD. Low Testosterone and Joint Pain: What’s the Connection? Your knees, ankles, hips, and shoulders ache, and you don’t know why. Joint pain can have many ...

You don’t have to look far to find a new testosterone clinic, or T clinic, popping up. While many of these jump right into replacement therapy, they often don't uncover why testosterone is low, a ...

Genetics play a role in low testosterone for some men, but underlying causes vary widely. Many genes influence testosterone production and sensitivity to testosterone. Genetics are responsible for ...

Add Yahoo as a preferred source to see more of our stories on Google. Sometimes, the body doesn’t produce enough testosterone, a condition known as hypogonadism. You're considered to have a ...

DEAR DR. ROACH: I am an 84-year-old Asian American taking trazodone, sertraline and temazepam as needed, as well as daily vitamins, and I weigh 130 pounds. My blood pressure ranges from 98 to 111 over ...

Masturbation does not cause a long-term drop in testosterone levels. Sexual activity can temporarily increase testosterone levels. Masturbation does not affect fertility, athletic performance, or ...

Testosterone is the primary male sex hormone and plays an important role in maintaining muscle mass, bone health, sexual ...

Young adult male sitting on a bed with both hands holding his head seemingly having a headache. As men get older, declining testosterone levels are as inevitable as death and taxes. Around the age of ...

Testosterone remains an important hormone for men's health, but it is not the sole determinant of energy, strength, or ...