Let's Stop Talking About Whether a Calorie is a Calorie. Please?
“A Calorie is a Calorie.” Or isn’t it? Nutrition writers love to throw around arguments about the state of the calorie, as if they're overturning centuries of caloric orthodoxy. Arguing about calories is a diet guru trope because it conflates the meaning of the word calorie with the effect of the source of the calorie, but the first time you hear it, it sounds meaningful and groundbreaking. Unfortunately, the statement is meaningless and tired. So let's all agree to a ceas