Lose weight, sleep better

Published: 28/09/2009 05:00

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Weight loss can dramatically improve and potentially eliminate sleep apnea symptoms in obese people, a study confirmed Monday.

According to researchers, people with severe sleep apnea who lost the recommended amount of weight were three times more likely to experience a complete remission of sleep apnea symptoms compared with people who did not lose weight.

In the study, published in the Archives of Internal Medicine, researchers chose 264 obese adults for experiment.The participants were randomly divided into two groups.One group received a weight loss program with portion-controlled diets and an exercise program of 175 minutes of exercise per week. The second group received no weight loss advice and participated in a diabetes management program.

One year later, the weight loss group lost an average of 24 pounds; the second group lost just over 1 pound.

Those in the weight loss group were three times as likely to experience a remission of their sleep apnea symptoms and had about half the instances of severe sleep apnea as the second group.

What’s more, the study showed that people in the second group experienced a worsening of their sleep apnea symptoms.

“These results show that doctors as well as patients can expect a significant improvement in their sleep apnea with weight loss,” researcher Gary Foster, director of the Center for Obesity Research and Education at Temple University, says in a news release. “And a reduction in sleep apnea has a number of benefits for overall health and well-being.”

Sleep apnea is most common in overweight and obese people. The sleep disorder causes loud snoring and sleep disruptions as a result of the airway becoming temporarily blocked during sleep. If untreated, sleep apnea can also increase the risk of high blood pressure, stroke, and heart disease.

VietNamNet/Xinhuanet

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