Dieting or Exercising?
Well, this is an odd report. Judy Foreman of The Boston Globe asks the question, “Is dieting or exercise better for weight loss?” Let’s find out:
In a small, randomized, controlled clinical trial, Ravussin divided three dozen overweight but healthy men and women into three groups. One group reduced their calorie intake by 25 percent. Another group cut calories by half as much (12.5 percent) while increasing energy output through exercise by 12.5 percent; and the third group made no diet or exercise changes.
The researchers looked at weight loss, body composition, and measures of superficial and deep fat. They found that it doesn't matter whether people lose weight by diet or by exercise or a combination, although exercise has the important benefit of improving cardiovascular health.
"So long as the energy deficit is the same, body weight, fat mass, and abdominal fat will all decrease the same way," said Ravussin, in an e-mail.
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