“In a study published in the journal Epidemiology, the team compared the dietary habits of 465 people with chronic kidney disease and 467 healthy people. After controlling for various factors, the team found that drinking two or more colas a day — whether artificially sweetened or regular — was linked to a twofold risk of chronic kidney disease.

source: nytimes.com

It appears that the phosphoric acid seems to increase the risk of kidney stones, renal failure and other conditions affecting the kidneys.

I’ve got to say, the very thought of getting kidney stones is more than enough reason for me not to drink cola. I’ve known a few people who have had them and from what they have all said, the pain is excruciating. Worse than giving birth was the comment from one lady who has two children.

Just on the subject of kidney stones, drinking plenty of water will help to prevent them, so that’s just another reason to make sure you keep yourself hydrated.

The study also found that drinking two or more noncola carbonated drinks did not increase the risk of chronic kidney disease.