Given that the risk of dementia can be reduced with regular exercise and improved blood flow to the brain, would it be reasonable to assume that those two thing

Given that the risk of dementia can be reduced with regular exercise and improved blood flow to the brain, would it be reasonable to assume that those two things have some relation to ADHD? https://www.alzheimers.org.uk/about-dementia/risk-factors-and-prevention/physical-exercise#:~:text=Exercising%20in%20mid%2Dlife&text=Several%20prospective%20studies%20have%20looked,by%20about%2030%20per%20cent https://www.alzheimers.org.uk/about-dementia/risk-factors-an....