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 (book) what separates humans from non-human animals, he considers it relevant to understanding the concept of the person. Scruton believes that desire is characterised by intentionality. He argues that "desire expresses itself through patterns of deliberate activity" but can nevertheless be understood as an expression of human mental states only if "we recognise the central importance of the involuntary aspect of human behaviour", giving blushing, laughter, and the erection of the penis as examples. He sees the focus of desire as embodiment, which entails finding a unity between the body and the personal identity of the desired person. He criticises what