http://wcco.com Extreme Obesity Ballooning In U.S. Adults Oct 13, 2003 3:00 pm US/Central Americans are not just getting fatter, they are ballooning to extremely obese proportions at an alarming rate. The number of extremely obese American adults - those who are at least 100 pounds overweight - has quadrupled since the 1980s to about 4 million. That works out to about 1 in every 50 adults. Extreme obesity once was thought to be a rare, distinct condition whose prevalence remained relatively steady over time. The new study contradicts that thinking and suggests that it is at least partly due...