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Polyphagia or hyperphagia is an abnormally strong, incessant sensation of hunger or desire to eat often leading to overeating. [1] In contrast to an increase in appetite following exercise, polyphagia does not subside after eating and often leads to rapid intake of excessive quantities of food.
Later studies showed that appetite regulation is an immensely complex process involving the gastrointestinal tract, many hormones, and both the central and autonomic nervous systems. [15] The circulating gut hormones that regulate many pathways in the body can either stimulate or suppress appetite. [16]
The most important up-regulated protein is C-reactive protein, which can rapidly increase 20- to 1,000-fold during the acute phase. Hypermetabolism also causes expedited catabolism of carbohydrates, proteins, and triglycerides in order to meet the increased metabolic demands.
Sudden and major changes in your appetite, eating habits, and weight can also be symptoms of depression — a common mood disorder that shares many similar symptoms with anxiety. Some other ...
What is an appetite suppressant? On a basic level, an appetite suppressant is anything that impacts your desire to eat, says dietitian Scott Keatley, RD, co-owner of Keatley Medical Nutrition Therapy.
When stressed, 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 ARFID, anorexia nervosa, bulimia nervosa, cachexia, overeating, and binge eating disorder.
Binge eating disorder is the most common type of eating disorder in the U.S. Binge eating is characterized as eating large amounts of food in a short period, typically under two hours.
A related phenomenon, specific appetite, also known as specific hunger, is conceptually related to, but distinct from, hedonic hunger. Specific appetite is a drive to eat foods with specific flavors or other characteristics: in usage, specific appetite has put greater emphasis on an individual who adaptationally learns a particular appetite ...