40% of American adults are obese, a sharp increase from a decade earlier and a record high. according to federal health officials.
A National Health and Nutrition Examination Survey (NHANES) sampling of 27,449 adults with a BMI between 30 and 40 found that among those aged 20 years and older, obesity went from 33.7% in 2007-2008 to 39.6% in 2015-2016. Severe obesity - those with a BMI above 40, jumped from 5.7% to 7.7% over the same period.
http://www.zerohedge.com/news/2018-03-24/american-adults-have-never-been-fatter