foresight report provides the following (somewhat commensense) tips on how to stay alert, prevent senility and have a fulfilling life.

  1. Connect
  2. Be Active
  3. Be Curious
  4. Learn
  5. Give
  6. Avoid significant debt

Additional Source: http://www.guardian.co.uk/lifeandstyle/2008/oct/23/healthandwellbeing