http://www.channelnewsasia.com/stories/health/view/1252285/1/.html

“Men who watch television for 20 hours per week have almost half the sperm count of those who watch very little television or none at all, according to a study published on Tuesday”

Leading an active lifestyle has its benefit.  Not only it helps you to maintain a good health, it helps to boost up your sperm count and natural testosterone level too !  Start exercising today.