According to statistics from the American Center for Disease Control,at least a third of all Americans today(2008)can be considered obese-that is more than 25 pounds overweight for women,and 30 for men.Worse still,21% of young people between the ages of 12 and 19,the age at which people should normally be most concerned about their looks,are obese,compared to only 6% in the 1970s.