The British Journal of sports medicine recently published research showing that men who watch more than 20 hours of television per week have nearly half the sperm production (44% less) of a normal male. Interestingly, however, men who exercise more than 15 hours per week at 73% more sperm than the average male.
Allan Pacey, PhD, British Fertility Society chairman suspects that the prolonged sitting heats up the mail testicle causing decreased from production. This phenomenon has already been seen and documented in men who wear tight undergarments.
The research shows that the intensity of exercise does not seem to play a roll as long as even light exercise is participated in for over 15 hours per week.
So, drop your remote, put on your gym shoes and go take a walk.