Is Being Fat Bad?

A good summary of a contentious debate.

But whether just a few extra pounds raise the risk of death is a surprisingly controversial and polarizing issue. Usually, nutrition scientists tell journalists hedgy things like, “this is just what my study shows,” followed by the dreaded disclaimer: “Further research is needed.” But on this question, the researchers involved are entrenched, having reached opposite conclusions and not budging an inch. Like many internecine wars, the dispute mostly comes down to one small thing: how you define the “overweight” population in the study.

More from Olga Khazan in the Atlantic here