Q:

How do you lose weight quickly?

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Quick Answer

To lose weight quickly, a person has to burn a lot more calories than he consumes. Eating 500 fewer calories than he burns each day for a week gets a deficit of 3,500 calories. That is enough to lose 1 pound in a week, according to the Centers for Disease Control and Prevention.

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Full Answer

Based on the 3,500 calorie daily deficit needed to lose 1 pound per week, a person can determine the calorie deficit necessary to lose weight at a specific desired pace, reports the CDC. For example, a person who wants to lose 5 pounds in a week has to burn 17,500 calories more than he eats during the week.

As noted on Calorie Count, women need at least 1,200 calories per day and men need at least 1,500 calories per day. Once a person's diet is lowered to that threshold, the focus has to change to finding ways to burn calories instead of lowering the intake of calories.

High-intensity workouts are one possible way to burn calories, explains WebMD. As an example, a person could do interval training to lose weight. Short spurts of exercise are alternated with short rest periods or periods of light exercise. The change in intensity throughout the workout challenges the body to encourage weight loss.

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