Sperm Count Favors Athlete Over Couch Potato, Research Suggests

Sperm Count Favors Athlete Over Couch Potato, Research Suggests

Mads Nissen/Panos

College-aged men who exercised more than 14 hours a week had the highest sperm counts. Watching TV had the opposite effect, with sperm counts almost halved for those viewing 20 or more hours per week.