The rise of fad diets

If you've told yourself, "this is the year I'm going to lose the weight," you're not alone. Each year 45 million people in the United States go on weight loss programs and there's no shortage of options— from tailored meal plans like Slim Fast and Nutrisystem to high fat, no carb, gluten-free models like Keto and Paleo. Diet and weight loss have grown to be a $71 billion industry, yet according to studies— 95% of diets fail. Here's how the diet industry grew to be a multi billion-dollar machine.