Following informed consent, participants will undergo tests for heart health, physical function, memory testing, and brain structure and function using imaging (taking pictures of the brain with an MRI). Following these tests participants are randomized to a home-based walking program or health education for 6 months. Participants are given a fitness tracker and gets ongoing telephone coaching during the 6 months. After 6 months the tests are repeated.
The purpose of this study is to see if 6 months of home-based walking will improve memory, and brain structure and function, compared to health education in older adults that have chronic kidney disease and mild cognitive impairment.