Health Effects
Carbonated water erodes tooth enamel, though the effect is negligible:
All of the waters demonstrated erosive potential (89-143%) similar to or greater than that of pure orange juice ... Flavoured sparkling waters should be considered as potentially erosive, and preventive advice on their consumption should recognize them as potentially acidic drinks rather than water with flavouring.
Sparkling mineral waters showed slightly greater dissolution than still waters, but levels remained low and were of the order of one hundred times less than the comparator soft drinks. De-gassing of a sparkling mineral water reduced its dissolution, but the total levels were still relatively low suggesting that carbonation of drinks may not be an important factor per se in respect of erosive potential. ... Thus, mineral waters appear to offer a safe alternative to more erosive acidic beverages
Intake of carbonated beverages has not been associated with increased bone fracture risk in observational studies, and the net effect of carbonated beverage constituents on the amount of calcium in the body is negligible. Carbonated water eases the symptoms of indigestion (dyspepsia) and constipation, according to a study in the European Journal of Gastroenterology and Hepatology.
A 2004 article in the Journal of Nutrition found that fizzy waters with higher sodium levels reduced cholesterol levels and the risk of cardiovascular problems in postmenopausal women.
Read more about this topic: Carbonated Water
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