MCDONALD’S burgers (汉堡包) are bad for your health in more ways than one. Frank Sutton of Florida, US complained of suffering bad burns to his mouth from a very hot fried-chicken sandwich in 2005. After picking up the McBurnwich at the Daniel Boone truck stop in Duffield, Virginia, Sutton was surprised to find hot grease (动物油脂) shot into his mouth as he bit into the burger.