FILE - This May 22, 2007 file photo shows GlaxoSmithKline's alli, the first over-the-counter diet pill approved by the Food and Drug Administration, in New York. The battle of the bulge so far has ... more 
FILE - This May 22, 2007 file photo shows GlaxoSmithKline's alli, the first over-the-counter diet pill approved by the Food and Drug Administration, in New York. The battle of the bulge so far has been a big, fat failure for U.S. drugmakers. But that hasn't stopped them from trying. For nearly a century, scientists have struggled to come up with a diet pill that helps people lose weight without causing side effects that range from embarrassing digestive issues to dangerous heart problems. (AP Photo/Richard Drew, File) less 
1 / 26
Associated Press | Photo By Richard Drew, File
Fri, Feb 24, 2012 6:50 AM EST