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Appetite

Appetite and Eating Disorders: – Poor appetite (anorexia), binge eating disorder, bulimia, and body dysmorphic disorder are examples of eating disorders. – Genetic factors can […]

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Appetite and Eating Disorders:
– Poor appetite (anorexia), binge eating disorder, bulimia, and body dysmorphic disorder are examples of eating disorders.
– Genetic factors can influence the development of eating disorders.
– Anorexia nervosa involves severe dietary restriction and fear of weight gain.
– Binge eating disorder is characterized by uncontrollable excessive eating.
– Bulimia may involve purging after food intake.
– Body dysmorphic disorder can lead to food restriction.

Appetite and Obesity:
– Hereditary forms of obesity can be linked to hypothalamic signaling defects.
– Ghrelin and leptin play roles in stimulating hunger and satisfaction.
– Changes in ghrelin and leptin production levels can lead to obesity.
– Leptin production is influenced by body fat percentage.
– Ghrelin-reactive IgG immunoglobulins affect ghrelin’s response.

Pediatric Eating Problems:
– Picky eating affects about 25% of children.
– Children with developmental disorders may have higher rates of eating issues.
– Sensory processing disorder can contribute to eating problems in children.
– Sounds, smells, and tastes can impact children’s eating habits.
– Early intervention for pediatric eating problems is crucial.

Pharmacology and Appetite Treatment:
– Glycemic index can affect satiety.
– Various medications have been developed to suppress appetite.
– Some diseases and prescription drugs can reduce appetite.
– Agents like megestrol acetate and oxandrolone are approved for appetite stimulation.
– Appetite control mechanisms are targeted for weight loss drugs.

Hormones, Health Conditions, and Medication Impact on Appetite:
– Leptin and ghrelin were explored as potential therapeutic options for cancer cachexia.
– Medications like Ritalin LA can affect weight and appetite.
– Dietary carbohydrates and glycemic response influence appetite and food intake.
– Studies have investigated the impact of ghrelin and leptin on appetite regulation.
– Specific populations like children with autism spectrum disorders may experience eating problems associated with sensory processing.

Appetite (Wikipedia)

Appetite is the desire to eat food items, usually due to hunger. Appealing foods can stimulate appetite even when hunger is absent, although appetite can be greatly reduced by satiety. Appetite exists in all higher life-forms, and serves to regulate adequate energy intake to maintain metabolic needs. It is regulated by a close interplay between the digestive tract, adipose tissue and the brain. Appetite has a relationship with every individual's behavior. Appetitive behaviour also known as approach behaviour, and consummatory behaviour, are the only processes that involve energy intake, whereas all other behaviours affect the release of energy. 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 anorexia nervosa, bulimia nervosa, cachexia, overeating, and binge eating disorder.

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