General

In America the actual rate of obesity is leveling off. But the rate of extreme obesity continues to rise.

Which just means not as many people are getting fat, but the one's who already are fat continue to get fatter.

This'>www.economist.com/news/science-and-technology/21586269-how-bacteria-your-gut-may-be-shaping-your-waistline-wider-understanding article from the Economist might be of some interest here.