nknown what exactly causes severe obesity. However, there are many factors contributing to the development including genetic, hereditary, environmental, and metabolic and eating disorders. Intake of steroids and hypothyroidism also cause weight gain. Some illnesses, including Cushing's disease and polycystic ovary syndrome, may lead to obesity or weight gain. What lies behind obesity varies from person to person and affects each one differently. Overall, obesity occurs when a person consumes more calories than he or she burns; for most people it bo
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