Causes of obesity 
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Obesity is generally caused by eating too much and moving too little.
If you consume high amounts of energy, particularly fat and sugars, but don’t burn off the energy through exercise and physical activity, much of the surplus energy will be stored by the body as fat.
Calories
The energy value of food is measured in units called calories. The average physically active man needs about 2,500 calories a day to maintain a healthy weight, and the average physically active woman needs about 2,00...
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