"You’ll have a 34 percent decrease in your risk of dementia if your job requires you to have frequent interactions with people, according to a new study in the American Journal of Epidemiology. Teachers seemed to have the greatest protection, followed by nurses, doctors, farmers, and office clerks."Aside from changing careers just practice good habits by reducing caloric intake, drinking responsibly, and combating inflammation periodically.
Source
American Journal of Epidemiology
Best Life, Aug ‘08