A 20-year scientific study has concluded that both humans and animals are getting fatter all across America. The reason is not the fatty food: even lab animals that live under strict control diets have been gaining 35 percent per decade. The scary thing is that scientists think that there may be “some widely shared cause, beyond the control of individuals, which is contributing to obesity across many species.”
https://gizmodo.com/this-is-not-why-you-are-fat-1198594422
