Appetite appetite levels may increase and result in an increase of food intake. Decreased desire to eat is termed anorexia, while polyphagia (or "hyperphagia") is increased eating. Dysregulation of appetite contributes to anorexia nervosa, bulimia nervosa, cachexia, overeating, and binge eating disorder. A limited or excessive appetite is not necessarily pathological. Abnormal appetite could be defined as eating habits causing malnutrition and related conditions such as obesity and its related problems. Both genetic and environmental factors may regulate appetite, and abnormalities in either may lead to abnormal appetite. Poor appetite (anorexia) can have numerous causes, but may be a result of
Sexual desire desire spectrum is described by Stephen B. Levine as: passion. The production and use of sexual fantasy and thought is an important part of properly functioning sexual desire. Some physical manifestations of sexual desire in humans are; licking, sucking, puckering and touching the lips, as well as tongue protrusion. Theorists and researchers have usually employed two different frameworks in their understanding of human sexual desire. The first is a biological framework where sexual desire comes from an innate motivational force like “an instinct, drive, need, urge, wish, or want”. Also known as sex drive. Second, a socio-cultural theory where desire