Washington Mar. 04: A new study has revealed that healthy heart can help prevent Alzheimer's disease. According to new research at Vanderbilt University Medical Center poor heart function could be major risk for Alzheimer's disease. 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. (Read: 6 natural remedies for a healthy heart) The research used data from the Framingham Heart Study an effort that began in 1948 to identify risk factors for heart disease. 1039 participants from Framingham's Offspring Cohort were followed for up