Say No to That Diet Soda? | National Kidney Foundation
Say No to That Diet Soda? August 12, 2014, 10:06am EDT. An important new finding has been reported from the Nurses' Health Study, which is a long term study that found that diets high in sodium (salt) were hard on the kidneys, and gave other information about heart disease, cancer risk factors, and the use of hormone treatments after menopause.