If you enjoyed the usual American male weekend of constant television viewing while sunk deep in the pizza-crush folds of your sofa, evolution has already decided it doesn't want your kind in the generations to come. That's why low-activity men who watch lots of television have dramatically lower sperm counts than those who get some exercise.
The subjects of the study were college-aged men in New York state, aged 18-22. The first group did 15 hours of "moderate to vigorous physical activity per week," about 2 hours daily. The second group just slobbed out in front of the flat screen for 20 or more hours weekly. Besides being incredibly [...]