“In the animal research the graphs representing how hard an animal is willing to work for a food or drug reward were almost identical. Make access easy and provide few alternatives and animals will definitely eat a lot of sweet or fatty food, or take a lot of cocaine or heroin.”

“In the animal research the graphs representing how hard an animal is willing to work for a food or drug reward were almost identical. Make access easy and provide few alternatives and animals will definitely eat a lot of sweet or fatty food, or take a lot of cocaine or heroin.”

— Carl Hart