Cardio exercise is the key. Cardio exercise is an excellent fat burner. However, you must also focus on what you are eating. Restrict refined processed carbohydrates.
Control portion sizes and count carbohydrates and calories. Eat a small meal every four hours. You may wish to try "the purple diet" where you eat purple food and only purple food. Swap fatty or sweet foods for healthy ones. If you want a cookie, eat some carrot sticks or celery. Fill your self with fresh vegetables and quality protein. In addition, drink plenty of fresh water.
Eliminate, or strictly limit refined processed carbohydrates (apart from the occasional treat). They are a major cause of weight gain, obesity, and many diet related diseases. Replace those foods with 'fat burning' foods and make use of the thermic effect of these foods. You can view a list of refined processed carbohydrates, and learn about the fat burning foods, further down this page, listed under Related Questions. In addition, engage in regular cardio exercise. Cardio exercise is such things as brisk walking, jogging, running, cross country skiing, trampolining, etc. Any form of cardio is an excellent fat burner. There are 3 free cardio exercise plansto show you how to do it (one easier plan, one harder plan, or one intense plan), further down this page, listed under Related Questions.
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exercise regularly and eat slowly for 15 min. your body will think your full . (chew until your food feels like baby food .)
You cannot lose 20 pounds of body weight in one day.
It's impossible to lose 20 pounds in overnight. Nutritionists are always recommending 2 pounds of weight loss in 7 days, according these levels it is always recommended to lose 20 pounds in 10 weeks.
you don't
The only way to lose 20 pounds in a month is to have mom or dad take you to the doctor for professional help.
The quickest way to lose 20 pounds is to sweat. Your body accumulates water weight which can add up fast.
I thought you were 5'1"
Trying to lose 20 pounds can be quite a challenge! But, don't lose heart, you can do it! To find healthy meal plans that will help you lose 20 pounds fast, try visiting: http://www.fourhourworkweek.com/blog/2007/04/06/how-to-lose-20-lbs-of-fat-in-30-days-without-doing-any-exercise/
We can lose weight as per our needs but it is always recommended to give 10 weeks of time to cut down the 20 pounds. By following extreme weight loss methods we can lose 20 pounds in 2-3 weeks also but it's not at all healthy.
By excising more everyday.
You cannot lose 20 pounds in one hour by any natural means.
Buy jumping
It is impossible to be healthy and lose 20 pounds in two weeks especially at 15. The standard rate to lose weight is 2-3 pounds per week.