All popular weight loss diets are based on:

Question

Quizplus · Accepted Answer

The first law of thermodynamics, also known as the law of conservation of energy, states that energy cannot be created or destroyed, only transferred or converted from one form to another. This means that weight loss diets are based on the principle that in order to lose weight, you must burn more calories than you consume, creating a calorie deficit. This is the basis for popular diets such as the ketogenic diet, paleo diet, and low-carb/high-fat diets. Increasing exercise and protein intake may also be components of weight loss diets, but they are not the fundamental principles underlying these diets. Decreasing exercise would actually work against weight loss goals.

All Popular Weight Loss Diets Are Based On