Exercise Your Body
Observational studies have consistently found that older people who get regular exercise are less likely to decline mentally and/or develop dementia. Aerobic exercise such as running or cycling seems especially beneficial, but any activity can help, including strength training, walking and tai chi, which have all been the focus of recent studies. Exercise probably benefits the brain just as it helps the cardiovascular system—by improving blood pressure, blood flow, weight, cholesterol levels and blood sugar. In addition, brain scans show that aerobic exercise can actually improve brain activity and produce new brain cells and connections between them.