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Diabetes mellitus causes a disruption in the body's ability to transfer glucose from food into energy. [clarification needed] Polyphagia in type 2 diabetes is usually not as apparent as the polyphagia in type 1 diabetes. In type 1 diabetes, it probably results from cellular starvation and the depletion of cellular stores of carbohydrates, fats ...
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 ...
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.
Poor appetite can have numerous causes, but may be a result of physical (infectious, autoimmune or malignant disease) or psychological (stress, mental disorders) factors. Likewise, hyperphagia (excessive eating) may be a result of hormonal imbalances, mental disorders (e.g., depression) and others.
Older people may feel less violent stomach contractions when they get hungry, but still suffer the secondary effects resulting from low food intake: these include weakness, irritability and decreased concentration. Prolonged lack of adequate nutrition also causes increased susceptibility to disease and reduced ability for the body to heal. [7] [8]
Excessive, difficult-to-control feelings of worry. Feeling fatigued and tired easily and often. ... Some medications may also cause a diminished appetite, including antibiotics, chemotherapy drugs ...
Avoidant/restrictive food intake disorder is not simply "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."
Obesity is a leading preventable cause of death worldwide, with increasing rates in adults and children. [18] In 2022, over 1 billion people lived with obesity worldwide (879 million adults and 159 million children), representing more than a double of adult cases (and four times higher than cases among children) registered in 1990.