HUMAN NUTRITION

Detailed explanation-1: -In negative energy balance, when energy expenditure exceeds intake, the resulting loss in body mass is also accounted for by 60–80 % body fat. It is commonly assumed that energy intake and energy expenditure can be independently modified, through changes in food intake and physical activity, to achieve energy balance.

Detailed explanation-2: -Weight loss occurs when you create a negative energy balance. That is, you burn more calories than you consume. When this imbalance occurs, your body burns stored energy (fat) in order to function and you lose weight. 7 A negative energy balance is sometimes called a calorie deficit.

Detailed explanation-3: -A negative caloric balance occurs when you’re burning off more calories than you’re consuming. In fact, this is the only way to lose weight. When your body has excess energy in the form of calories, you gain weight, and when it burns more calories than it has to replace, you lose weight.