"A calorie is a calorie" violates the second law of thermodynamics User Grandpa_Rob, in the For those who love Life-- Carpe Diem subreddit, 15 Dec 2015
Nutrition Journal | Full text | "A calorie is a calorie" violates the second law of thermodynamics (from 2004 FWIW) User [deleted], in the Keto: The Home for Ketogenic Diets subreddit, 25 Sep 2011
"A calorie is a calorie" violates the second law of thermodynamics User csokay, in the loseit - Lose the Fat subreddit, 20 May 2011
"A calorie is a calorie" violates the second law of thermodynamics User erma87, in the Fitness subreddit, 20 May 2011