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Cola & bone density.

Drinking at least three cans of cola a week--even diet cola may lower hip bone density in women. And drinking more cola may lower bone density further.

Researchers studied roughly 2,500 men and women participating in the Framingham Osteoporosis Study. After taking into account the impact of calcium, vitamin D, physical activity, and other factors, they found about a 4 to 5 percent lower hip bone density in women who consumed one cola a day than in those who drank less than one cola a month.

Bone density wasn't linked to colas in men. And women who drank other soft drinks had no lower bone density. However, it's possible that the researchers saw no link because fewer women in the study drank non-colas.

What to do: It's not clear why colas may weaken women's bones Nether the drinks' caffeine nor their phosphoric acid appeared to explain the link. But it makes sense for women to cut back on cola if they drink it frequently.

Amer. J. Clin. Nutr. 84: 936, 2006.
COPYRIGHT 2006 Center for Science in the Public Interest
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Title Annotation:QUICK STUDIES
Publication:Nutrition Action Healthletter
Date:Dec 1, 2006
Words:172
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