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Will Drinking Carbonated Beverages Weaken My Bones?

Will drinking carbonated beverages weaken my bones? Maybe—but only if you're drinking several gallons of seltzer a day. Here's the chemistry that has soda drinkers worried: As carbon dioxide hits the water in your blood, it turns into carbonic acid. Too much acid in the blood can lead to a condition called acidosis, which could intercept small amounts of calcium from food as it makes its way to your bones, or steal it from them directly. Your greater concern, though, says endocrinologist Robert Heaney of Creighton University, should be the vomiting, headaches and impaired organ function that result from extreme acidosis.