<P> By itself, carbonated water appears to have little impact on health . While carbonated water is somewhat acidic, this acidity is quickly neutralized by saliva . </P> <P> Carbonated water may increase irritable bowel syndrome symptoms of bloating and gas due to the release of carbon dioxide in the digestive tract . It does not appear to have an effect on gastroesophageal reflux disease . There is tentative evidence that carbonated water may help with constipation among people who have had a stroke . </P> <P> Typical carbonated soft drinks such as colas do have health risks . Carbonated colas have a correlation with slightly decreased bone density in older women . Soft drinks are about 100 times more erosive to teeth than plain carbonated water . </P> <P> Carbon dioxide gas dissolved in water at a low concentration (0.2--1.0%) creates carbonic acid (H CO) according to the following reaction: </P>

What does carbonated water do to your stomach
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