From the article: In 1991, only 12 percent of American adults were considered obese, according to U.S. government data. By 2001, that was up to nearly 21 percent, a 75 percent increase. Other studies indicate that 65 percent of the population is overweight and 30 percent is obese.
If those numbers are right, only 35 percent of adults are at or below a healthy weight. And 15 percent of children are overweight, double the number 30 years ago.
American Fitness: Great Weight Debate... that 29 million more Americans can now be called unhealthy due to new weight guidelines issued in June, 1998 by the National Institute of Health (NIH).