Your metabolism is how, and how fast, your body converts food into fuel and burns it. It greatly affects the speed at which you gain or lose weight. Factors in metabolic rate include sex, age, muscle mass, and more. There are ways to increase metabolism, including exercise (aerobic and strength training). Follow the links below to find WebMD's comprehensive coverage about how your metablism works, ways to boost your metabolism, and much more.
Not all calories are created equal. Some foods can speed up your weight loss.