BMI of 25-29.9 showed the lowest rate of All Cause Mortality
Systematic Review and Meta-Analysis published in the Journal of the American Medical Association shows with strikingly good evidence a "high BMI"(25-29.9) showed the lowest rate of All Cause Mortality. It had an even lower rate of ACM than low and extremely low BMI.
Unfortunately, I am unable to post the entire article at this time, but after going over the article, the reported stats in the abstract match up with what the article said.
http://jama.jamanetwork.com/article....icleid=1555137