A paper just published in the American Journal of Clinical Nutrition has caused nutrition experts to rethink the adage that a calorie is a calorie.
In terms of weight gain in humans, “foods have complex mechanisms that help or hinder weight long term,” according to the paper’s authors. Researchers from Tufts and Harvard Universities examined 24 years of data on 121,000 men and women. Subjects were nurses and doctors from the Nurses’ Health Study and the Health…