If you’re a guy who wants to be fertile, that is. Parking that laptop across your legs tops the list of behaviors that could impact your ability to become a dad, according to reproductive specialist Suzanne Kavic, M.D., of Loyola University. Heat generated from laptops can impact sperm production, so put it on a desk or table to keep things cool. Other “hot” items on the list to avoid: hot tubs, briefs, caffeine, smoking, drugs, excessive alcohol use and stress. Learn more …