12 Mar 2015 Blackmores Institute Poor heart function could be major risk for Alzheimers disease 12 Mar 2015 Share Share on LinkedIn Share on Facebook Share on Twitter Share on Google+ Share on Pinterest News A healthier heart could prevent Alzheimer's disease, according to new research from the United States The study, published in the journal Circulation found that participants with decreased heart function, measured by cardiac index, were two to three times more likely to develop significant memory loss over the follow-up period, establishing a link between heart function and the development of dementia and Alzheimer's disease. × To continue reading this article, please Log In or Sign Up for access.