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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.
The cause of death due to starvation is usually an infection or the result of tissue breakdown. This is due to the body becoming unable to produce enough energy to fight off bacteria and viruses. The final stage of starvation includes signals like hair color loss, skin flaking, swelling in the extremities, and a bloated belly.
The prevalence of the disease continues to increase, most dramatically in low- and middle-income nations. [18] Rates are similar in women and men, with diabetes being the seventh leading cause of death globally. [19] [20] The global expenditure on diabetes-related healthcare is an estimated US$760 billion a year. [21]
It can lead to diseases such as cardiovascular disease and diabetes. Obesity is a condition in which the natural energy reserve, stored in the fatty tissue of humans and other mammals, is increased to a point where it is associated with certain health conditions or increased mortality.
Refeeding syndrome (RFS) is a metabolic disturbance which occurs as a result of reinstitution of nutrition in people who are starved, severely malnourished, or metabolically stressed because of severe illness.
The agency added that chronic diseases such as heart disease, cancer and diabetes are the leading cause of disability and death in the U.S., and 60% of Americans have at least one chronic disease.
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.
Those with eating addictions often overconsume such foods despite the adverse consequences (such as excess weight gain, diabetes, and heart disease) associated with their overconsumption. [1] [2] Psychological dependence has also been observed, with the occurrence of withdrawal symptoms when substituting foods low in sugar and fat. [1]