clipped from: longevity.about.com   
There are two basic principles to keep your brain healthy and sharp as you age: variety and curiosity.

If you can do the crossword puzzle in your sleep, it's time for you to move on to a new challenge

Curiosity about the world around you, how it works and how you can understand it will keep your brain working fast and efficiently

1) Play Games


Games are a wonderful way to tease and challenge your brain.

2) Meditation


Daily meditation is perhaps the single greatest thing you can do for your mind/body health.

3) Eat for Your Brain


Your brain needs you to eat healthy fats.

4) Tell Good Stories


Stories are a way that we solidify memories, interpret events and share moments.

5) Turn Off Your Television


Television can stand in the way of relationships, life and more.

6) Exercise Your Body To Exercise Your Brain


Physical exercise is great brain exercise too.

7) Read Something Different


Books are portable, free from libraries and filled with infinite interesting characters, information and facts.