We also know that within normal ranges, testosterone levels are not strongly predictive of aggression. In the amygdala, a ...

Testosterone is a hormone that supports muscle mass, bone strength, mood, cardiovascular health, and intimate health. Low testosterone can contribute to symptoms like fatigue, … ...

Three forms of testosterone are found in serum: sex hormone-binding globulin (SHBG)-bound (60%-70% of total), albumin-bound (20%-30% of total), and free (1%-3% of total). SHBG-bound testosterone is ...

Testosterone levels peak during male puberty and decline with age in both males and females. With low testosterone in males, you can have a decreased sex drive, trouble with erections, and low sperm ...

Testosterone propionate was once a common treatment for men with low testosterone. It’s a synthetic version of the naturally occurring hormone. This solution and other drugs that mimic testosterone ...

They’re seeing gains — but at what cost? Amid the “looksmaxxing” boom, young men are bulking up by “testosterone-maxxing,” which refers to using testosterone replacement therapy (TRT) or natural ...

America's birth rate has been on a steady decline since 2007, and pronatalists − both in the White House and out − are determined to raise it. But an underdiscussed obstacle might be standing in the ...

Q. I would like to know more about the use of testosterone replacement in men. My understanding is that a recent large-scale ...

This is T-rrific news for some men. Testosterone replacement therapy (TRT) has been historically difficult to get because it requires proof of consistently low testosterone levels along with symptoms ...

Q. I would like to know more about the use of testosterone replacement in men. My understanding is that a recent large-scale study showed that men using testosterone replacement therapy did not have ...