Men who watch television for 20 hours a week or more have lower sperm count than those who don’t watch much TV.
…those who watched for 20 hours or more â€” had a 44-percent lower sperm count than those who watched least, meaning they said they watched â€śnone or almost none.â€ť
Another big factor was exercise, according to the study, published online in the British Journal of Sports Medicine.
Men who exercised for 15 or more hours weekly at a â€śmoderate to vigorousâ€ť rate had a 73-percent higher sperm count than those who exercised less than five hours per week.
None of the sperm levels was so low that the man would have been unable to father a child