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(February 13, 2007)

Losing weight, keeping bone


From the U.S. Department of Health and Human Services, I’m Ira Dreyfuss with HHS HealthBeat.

Losing weight can cost people some bone. It’s like the body decides the skeletons don’t have to be as strong when they have less load to carry. So the skeletons lose a little mineral.

But a study indicates you can have your diet cake and eat it, too. Exercise triggers bones to get stronger, and a study finds exercise can offset effects of diets on bone.

Dennis Villareal of Washington University School of Medicine had people diet, exercise vigorously, or do both. His work in Archives of Internal Medicine was supported by the National Institutes of Health.

People who just dieted lost bone, but those who also exercised did not. Villareal’s conclusion:

"You can depend on the diet to induce much of the weight loss, and then do some amount of exercise to preserve bone." (7 seconds)

Learn more at www.hhs.gov.

HHS HealthBeat is a production of the U.S. Department of Health and Human Services. I'm Ira Dreyfuss.

Last revised: February, 16 2007