Wear your seat belt in the car. Don’t smoke or abuse alcohol, reduce stress and exercise regularly. Maintain a healthy weight and eat a diet that is low in saturated fat and includes plenty of fruits, vegetables, whole grains, lean protein and foods high in omega 3s, like fish.
Here's some interesting info about memory and types of memory problems.
Bow-tie pasta with walnuts and asparagus...3 brain-boosting ingredients!
Anatomy of this progressive, irreversible neurological disorder