Prevention

Click the icon to see an image of vitamin B12 sources.

Click the icon to see an image of folate sources.

Antioxidant Supplements. Much research on Alzheimer's disease has indicated that oxidation (release of damaging unstable particles) may play an important role in the disease process. Some reports, including a large 2002 population study, have suggested that vitamin E intake, from food or supplements, may protect against mental decline. Other studies suggest that vitamin E protects only those who carried the apoE4 gene. Most evidence on any benefits from other antioxidants come from a combination of antioxidant vitamins, such as vitamins C and E, but not the use of them separately. However, no strong evidence to date has found any protection from antioxidant supplements.

Other Health Behaviors

Exercise. Studies report that exercise may help prevent the development of Alzheimer’s disease and other forms of dementia. A 2006 study found that older adults (65 years and older) who exercised three times a week reduced their risk for Alzheimer’s by about 40%. Exercise in the study included walking, hiking, aerobics, calisthenics, swimming, water aerobics, weight training and stretching.

Social Behaviors and Stress Reduction. Lifelong learning, social engagements, and stress reduction are all useful in keeping the mind active and energized.