In Elliptical Fitness: President Barack Obama smiles after signing a memorandum on childhood obesity, Tuesday, 9 Feb. 2010, in the Oval Office of the White House, Washington

More than a billion people around the world are overweight and 400 million are obese according to the World Health Organization. Two thirds of American adults are now overweight or obese. U.S. health officials are so alarmed that they called an unprecedented conference on obesity in America. Jo Chiti has battled weight for most of her life. "When you're heavy as a woman, it's depressing. It affect ...Elliptical Fitness