Teenager Amanda Munson has struggled with her weight all her life. It's a problem that runs in her family. At age 16, her 5-foot-2 frame had ballooned to 311 pounds.
"I really couldn't go anywhere," says Munson. "I wouldn't fit into the seats at movie theatres. I couldn't go running because it just hurt so bad and my heart would speed up too much."
So threatening was Munson's weight to her health that she became one of a growing number of teens who have undergone gastric bypass surgery -- a...Full Story