Manuel Uribe hasn't left his bed or his apartment in Monterrey, Mexico, in five years.
That's because less than a year ago, at 1,200 pounds, he was considered by many to be the heaviest man in the world.
Currently on a diet -- he's following The Zone -- he now weighs 800 pounds, but still can't stand on his own, and spends his days in a special industrial-size bed.
"I had an obesity problem for many years, a very significant one. I was gaining and gaining weight. I was on every diet you...Full Story