A New Problem: Popular Male Fertility Procedure Can Lower Testosterone Levels

Testosterone: the “oil” of your body’s machine (Courtesy Susan Wilkinson, Unsplash). Testosterone has been top of mind in medicine over the last decade. And for good reason: It is now clear that testosterone in men is essential for normal growth, maturation, health, and well-being. In the brain, “vitamin T” influences sex drive, assertiveness, mood, energy, […]