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Exercising 'better than dieting for cutting calories' study finds

Exercising 'better than dieting for cutting calories' study finds

Exercising 'better than dieting for cutting calories' study finds

(original article from The Independent)

Exercising is more effective than dieting in limiting how many calories a person eats, according to a new study.

Researchers at Loughborough University set out to investigate how exercising and restricing diet changed a woman's physical and behavioural responses to food. During the study, women were first asked to restrict their diet by 3,500 kilojoules, or around 836 calories, for 8 hours. They were then invited to eat freely at a buffet where researchers secretly measured what they consumed.

In the second part of the study, researchers asked the women to burn the same amount of calories they had previously cut from their diet with moderate exercise lasting 90minutes. The women were again presented with a buffet and unknowingly monitored. The researchers found that women ate 944 calories on average at the buffet when they restricted their diets, compared with 660 after exercising.

Limiting the amount of food caused a spike in the hunger hormone ghrelin and a drop in levels petitide YY, which supresses hunger, researchers found.

The findings of the pilot study involving 12 women contradict previous evidence which shows that exercise makes people, and particularly women, eat more.

Dr Stensel, a Reader in Exercise Metabolism in Loughborough's School of Sport, Exercise and Health Sciences, said: "We've shown that exercise does not make you hungrier or encourage you to eat more - at least not in the hours immediately following it. Our next step is to see whether this benefit continues beyond the first day of exercise."

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