CHICAGO (AP) -- It happened to nurse Jane Byron years after an in-line skating fall, business owner Haralee Weintraub while doing "men's" push-ups, and avid cyclist Gene Wilberg while lifting a heavy box.

ATLANTA (AP) -- More and more U.S. adults are being told by their doctor to get out and exercise, according to government survey released Thursday.

(Chicago Tribune) -- During an exercise session, vigorous cardiovascular workouts such as running or biking can typically torch more calories than resistance or strength training.

(The New York Times News Service) -- Here's the irony: There are almost as many ways to successfully lose weight as there are people who need to do so.

NEW YORK (AP) -- Television already has "The Biggest Loser." Dr. Mehmet Oz is looking for the biggest number of losers.

BERLIN (dpa) -- Exercise is healthy -- to a degree. Regular physical activity is better than occasional all-out workouts.

DAYTON, Ohio (The New York Times News Service) -- When colder weather hits, many people give up their regular exercise routines. Shorter days, less sunshine and uncomfortable temperatures can combine to make it more difficult to stay on track.

TORONTO (Canadian Press) -- A study of helmets used by children for winter activities offers some new data on the various types of head protection that would suit tobogganers.

NEW YORK (AP) -- A routine news story took a strange turn when an ABC "Nightline" anchor had a full body scan that turned up a possible warning sign.