You heard me right! They Never Have! They Never Do! They Never Will! The Diet Industry is a 40 Billion Dollar Industry filled with misinformation. 96% of people who go on diets can't stay on them to reach their desired goal. 98% of people who go on diets gain the weight they lose back + 5 extra pounds. (National Institute of Health) 50% of Americans are on a diet at any given time yet 70% of Americans are overweight and 30% are obese.