Diet soda may help keep your calories in check, but drinking two or more diet sodas a day may double your risk of declining kidney function, a new study shows.Women who drank two or more diet sodas a day had a 30% drop in a measure of kidney function during the lengthy study follow-up, according to research presented Saturday at the annual meeting of the American Society of Nephrology in San Diego.

via Diet Sodas May Be Hard on the Kidneys.