About 70，000，000 Americans are trying to lose weight．This is almost one out of every three people in the United States．Some people eat  1  food and they hardly have any fats or sweets. Others do running exercise with machines，take medicines，or even have operations.2 you can see losing weight is  3  work，and it will also cost a lot of money．But  4 do so many people in the United States want to lose weight?
Many people in the United States worry about their look of the body．For many people，looking nice also means to be  5 ．Other people worry about their health as many doctors 6  overweight is not good．
Most people want to find a faster and  7  way to take off fat，and books of this kind are very popular．These books tell people how to lose weight．Each year a lot of new books like these are  8  ．Each one says it can easily help people take fat away．
Losing weight can be expensive．Some overweight people go to health centers，like La Costa in California．Men and women 9 several hundred dollars a day at these health centers．People live there for one week or two，taking exercise，eating different foods．Meals there may be just a little．All this works for losing weight． 10 4 days on the program，one woman called Mrs. Warren lost 5 pounds(2.27kg)．At 400 dollars a day, she spent 320dollars to lose each pound．But she said she was still glad to do so．
Health centers，books，medicines，operations，running and exercise machines all get a lot of money．So in the United States，losing Weight may mean losing money too。