Global obesity: Fat Americans 30 percent of world's human biomass

SUBSCRIBE to Next Media Animation: http://www.youtube.com/subscription_center?add_user=NMAWorldEdition The global obesity epidemic is officially become scary. A new report shows the world's population is 17 million tons overweight, the equivalent of an extra 242 million people. America is significantly fatter than the rest of the world — the US accounts for only 5 percent of the world's popu ...