I don't want to throw out this idea but I think the much more obvious answer is people being sedentary and terrible sleep. Boys that are playing video games ins

I don't want to throw out this idea but I think the much more obvious answer is people being sedentary and terrible sleep. Boys that are playing video games instead of running around outdoors. Playing video games until 3 am one night, waking up for school with 5 hours of sleep, then drinking massive amounts of energy drinks or other stimulants to stay awake.