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03 August 2012

Modest weight loss has long-term benefits

Even modest weight loss can give overweight and obese people a decade's worth of important health benefits, according to a new study.

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Even modest weight loss can give overweight and obese people a decade's worth of important health benefits, according to a new study.

The study included 3 000 overweight people with impaired glucose tolerance - a pre-diabetic condition - who were shown how to change their behaviour rather than being prescribed drugs.

The behavioural strategies used by the participants to help them lose weight included keeping track of everything they ate, reducing the amount of unhealthy food they kept in their home and increasing their amount of physical activity.

Even a modest weight loss - an average of 14 pounds - reduced the risk of developing type 2 diabetes by 58%. And the health benefits of this weight loss lasted up to 10 years, even if people regained the weight, said study author Rena Wing, professor of psychiatry and human behaviour at Brown University in Providence, R.I. The study was scheduled for presentation at the American Psychological Association annual meeting in Orlando, Fla.

What the study showed

"Helping people find ways to change their eating and activity behaviours and developing interventions other than medication to reinforce a healthy lifestyle have made a huge difference in preventing one of the major health problems in this country," Wing, who is also director of the Weight Control and Diabetes Research Center at the Miriam Hospital in Providence, said.

"Weight losses of just 10% of a person's body weight ... have also been shown to have a long-term impact on sleep apnoea, hypertension and quality of life, and to slow the decline in mobility that occurs as people age," she noted.

Wing is now leading a 13-year study of 5 000 people with type 2 diabetes to determine whether an intensive behavioural intervention can lower the risk of heart disease and heart attacks.

"We are trying to show that behaviour changes not only make people healthier in terms of reducing heart disease risk factors but actually can make them live longer," she said.

Because this study was presented at a medical meeting, the data and conclusions should be viewed as preliminary until published in a peer-reviewed journal.

Read more:
Healthy diets

More information

The U.S. National Institute of Diabetes and Digestive and Kidney Diseases outlines the health risks of being overweight.


(Copyright © 2012 HealthDay. All rights reserved.)

 
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