(duration 18:03) Scientists claim junk food is as addictive as heroin http://www.grist.org/article/scientists-claim-junk-food-is-as-addictive-as-heroin/ The more junk food you eat, the more you’ll find yourself having to exercise Rodents are really a poor model to understand human psychology and even physiology Lots of carbs coupled with lots of fat is a double metabolic wammy! “Addiction” label can …