The Facts about Nutrition and Good Health
The number of calories needed per day depends upon the body’s metabolic rate (MR), which, in turn, depends upon such factors as age, sex, size, muscle mass, glandular function, emotional state, climate, and exercise.
Your basal metabolic rate (BMR) is the basis for your caloric needs. The higher the BMR, the more calories you burn at rest. Your MR is a combination of your BMR and calories expended in normal daily activities. The MR is usually higher in males, young people, large people, lean and muscular people, and in nervous people; in cold and hot weather; and during exercise. (more…)