Carbonated beverage consumption and bone mineral density among older women: the Rancho Bernardo Study.

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Abstract
OBJECTIVES: The association between carbonated beverage consumption and bone mineral density was examined in a community-based cohort of older White women. METHODS: One thousand women 44 to 98 years of age had bone mineral density measured at four sites and provided medical and behavioral histories, including type and quantity of carbonated beverages consumed. RESULTS: Bone mineral density levels were not associated with intake of any type of carbonated beverage after adjustment for age, obesity, calcium intake, exercise, and current use of tobacco and alcohol, thiazides, estrogen, or thyroid hormone. CONCLUSIONS: Modest intake of carbonated beverages does not appear to have adverse effects on bone mineral density in older women.