Dieting is calories in and calories out, but protein takes more calories to digest than fat or carbs and is often very filling so it's a good way to help someone diet who struggles with feeling hungry.

You feel satiated and you're reducing your caloric intake. You can only eat so much beef jerky compared to eating a whole bag of chips before getting sick. It's helpful for people who are binge eaters.

Obesity and diabetes. It solved about half of the obesity and all of the diabetes.