The metabolic reason for “why do people become overweight” is related to caloric intake and activity/ inactivity; but, there are many factors that contribute to weight gain. Some of those modifiable contributing factors include sedentary lifestyles, poor exercise regimen, lack of knowledge of weight gain process and control, poor diet choices (empty calorie foods/ excessive snacking) and making lifestyle changes instead of choosing fad diets.
Your weight is the result of many risk factors. Some of these factors include genetics (how much your grandparents, parents, and siblings weigh); metabolic rate (how your body changes food and oxygen into energy); your eating and exercise habits; medications and health conditions; and more.
While you cannot change some risk factors for obesity like genetics, you can change factors like your lifestyle habits -- how much you eat and exercise. You can manage overweight and obesity by losing weight and reaching a healthy weight for your body type. By following a healthy eating plan, watching the calories you ingest each day, and staying physically active, you can gain control of your weight. In doing so, you can reduce the risk you have for chronic diseases such as heart disease, hypertension, and type 2 diabetes.
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.