A passenger waits for a delayed flight at Heathrow airport's terminal four in London's Heathrow airport August 12, 2006. Bad diet and inactivity is pushing up obesity rates in England, where 19 percent of boys and 18 percent of girls aged 2 to 15 were classed as obese in 2004, a 50 percent increase in child obesity rates compiled in 1995.(Xinhua/Reuters Photo) Photo Gallery>>>