Study pounds home message to women: Exercise or gain

LOS ANGELES — Gloria Hale rose at 5:30 a.m. Tuesday, as usual, to swim laps before work. Active though she is, however, the 55-year-old Orange County, Calif., woman was a bit stunned to learn the latest advice from researchers regarding exercise — that women should work out 60 minutes a day, seven days a week, to maintain a normal weight over their lifetime. “Most people are going to say, ‘No way. I don’t have time for that,’” said Hale, a trim 5-foot-5 and 138 pounds.

The 60-minute-a-day recommendation, released online Tuesday in the Journal of the American Medical Association., is aimed at women of normal weight who don’t want to diet but do want to avoid gaining weight over their lifetime. Most Americans gain about 1.5 pounds a year between age 25 and 55.

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