Exercise/fitness/activity would be primary suspicion, which is also diet. You need a very high level of activity in order to properly exist in today's high carb

Exercise/fitness/activity would be primary suspicion, which is also diet. You need a very high level of activity in order to properly exist in today's high carbohydrate corn syrup food base Permoplastics might have a roll but you figure that would have showed up by now a lot earlier. It could also be binge drinking. The culture of binge drinking has been steadily compounding itself over several generations of college students. But that may be an American phenomenon. This is a global one and it may not apply.