To lose weight you must eat lower in calories than your body uses. Calories are theamount of energy in the foods you eat. Some foods have more calories than others. For example, foods that are high in fat and sugar are high also in calories. If you eat morecalories than your body uses, the extra calories are stored as body fat.
One pound of fat is about 3,500 calories. To lose 1 pound of fat a week, you have to eat3,500 calories less (ie 500 fewer calories a day), or you have to "burn" an extra 3,500 calories. You can burn calories with exercise or simply being more active. (Talk to your doctor before starting any exercise program. Your physician can help you determine what type of exercise program are appropriate for you.)
The best way to lose weight and stay fit is to eat fewer calories and physical activity. If you cut 250 calories in your diet each day and exercise enough to burn 250 calories, which adds up to 500 calories less a day. If you do this for 7 days, you can lose one pound of fat a week.
Most experts believe you should not try to lose more than 2 pounds per week. To lose more than 2 pounds in a week usually means you are losing water and down muscle mass instead of losing excess fat. If you do this, you will have less energy, and mostlikely gain weight.
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