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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.
Overeating occurs when an individual consumes more calories in relation to the energy that is expended via physical activity or expelled via excretion, leading to weight gain and often obesity.
Physical inactivity of children has also shown to be a serious cause, and children who fail to engage in regular physical activity are at greater risk of obesity. Researchers studied the physical activity of 133 children over a three-week period using an accelerometer to measure each child's level of physical activity. They discovered the obese ...
According to one study, factors like these may play as big of a role as excessive food energy intake and a lack of physical activity; [104] however, the relative magnitudes of the effects of any proposed cause of obesity is varied and uncertain, as there is a general need for randomized controlled trials on humans before definitive statement ...
Excess weight and obesity in children and adolescents continue to be a global health issue. In fact, new research published by JAMA Pediatrics finds that, worldwide, 1 in 5 people under the age of ...
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.
This is an accepted version of this page This is the latest accepted revision, reviewed on 16 January 2025. Mental illness characterized by abnormal eating habits that adversely affect health Medical condition Eating disorder Specialty Psychiatry, clinical psychology Symptoms Abnormal eating habits that negatively affect physical or mental health Complications Anxiety disorders, depression ...
Avoidant/restrictive food intake disorder is not simple "picky eating" commonly seen in toddlers and young children, which usually resolves on its own. [2]In ARFID, the behaviors are so severe that they lead to nutritional deficiencies, poor weight gain (or significant weight loss), and/or significant interference with "psychosocial functioning."