Many will know that exercise seems to reduce dementia risk (a 2022 paper found that walking 3,800 steps a day may lower your likelihood of developing dementia by 25%, with increasing benefits up to 9,800 steps).
Article source: https://www.huffingtonpost.co.uk/entry/dementia-memory-cycling-exercise-hippocampus_uk_6a0b1b58e4b02bc3d94dd18f