VOA慢速英语:Study: More Obese People Than Underweight

obese – adj. very fat; fat in a way that is unhealthy

morbidly – adv. relating to death

pose – v. to be or create (a possible threat, danger, problem, etc.)

epidemic – n. an occurrence in which a disease spreads very quickly and affects a large number of people

extensive – adj. large in size or amount; very full or complete

tackle – v. to deal with (something difficult)