What Sodas do to your body

Researches clearly demonstrated that large quantities of cola result in enhanced kidney stone formation16^-17. If you're wondering exactly how soft drinks cause kidney stones, it's because of their acidity and radical mineral imbalances. Your body must buffer the acidity of soft drinks with calcium from your own bones. As this calcium is eliminated through your urine, it slowly forms kidney stones.

In a study published in the journal Epidemiology14, 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