Be sure to get plenty of essential fatty acids as they a big part in protecting your memory! Flaxseed oil is high in essential fatty acid. Take one to two tablespoons a day for best results.
Your brain cells or neurons have a membrane that breaks down due to damage over time. Phospholipids help the brain cell's membranes to form and grow. The best way to get phospholipids into your diet is through supplements. Take supplements according to directions of course. You'll need one that contains choline, inositol and phosphatidylserine totaling about 250 milligrams of phospholipids.
Practice your memory visualization skills. The more you remember, the more you remember if you know what I mean. Visualizing should be a daily activity you partake in to keep your brain in the train of thought. Basically you don't want to forget how to recall things so you practice makes perfect. Think about the last time you took a trip. Remember all the details. Where were you when you started the trip? How did you get there? How long did it take? Did anything funny happen along the way? Try to make it a good memory if you want it to stay with you forever. Remember the glory days!