According to Dr. Bruce Culleton, Vice President and Chief Medical Officer, Kidney Care at CVS Health, 93% of Americans who have kidney disease don't know they have it. And he tells Daniel some of the ways physicians and nurses can address this health literacy issue. Dr. Culleton also explains some of the health equity and disparity challenges that exist in this space. For instance, African Americans are three-to-four times more likely to develop kidney failure than white Americans.