Eating Disorders: Anorexia Nervosa, Bulimia Nervosa, Body Dysmorphic Disorder

Anorexia Nervosa: A condition characterized by intense fear of gaining weight or becoming obese, as well as a distorted body image, leading to an excessive weight loss from restricting food intake and excessive exercise. Bulimia Nervosa: An eating disorder in which persistent over concern with the body weight and shape leads to repeat episodes of…

Hunger & Weight Regulation: The Physiology of Hunger

Metabolism – body’s rate of energy utilization Two-thirds of energy used goes to support basal metabolism, the resting, continuous metabolic work of body cells Immediate energy supply information interacts with other signals to regulate food intake (hunger not necessarily linked to immediate energy needs) Homeostatic mechanisms are designed to prevent people from running low on…