... the fact that the obese are often geographically concentrated in areas (like the American South) where public education is shit and poverty is high.
"American obesity rates are the highest in the world with 64% of adults being overweight or obese"
http://en.wikipedia.org/wiki/Obesity_in_the_United_States
Felson's Law: To steal ideas from one person is plagiarism; to steal from many is research.