In Brief Male fertility depends on sperm count, quality and a healthy hormonal environment. Training, nutrition, sleep, stress and substance use all shape your fertility over time. Heat exposure, steroids and heavy drinking can quietly weaken sperm production. Most lifestyle changes need…

Understanding What’s Actually Going On Down There For most men, the penis is a constant presence—both a source of identity and, at times, curiosity or confusion. Yet, despite being one of the most discussed organs in human culture, it remains widely misunderstood.