As we age we start experiencing memory and concentration problems. Here a brain fitness comes in being handy.
Brain fitness is kept up through something called essential fatty acids (also called omega-3s). There are called "essential" because it is essential that you get them from your diet (your body cannot make them). Your brain needs these to keep everything running well -- these fatty acids help keep oxygen supplied to the brain and keep the cell membranes healthy.
You can get essential fatty acids from some great and healthy foods like nuts (and seeds), avocados and some kinds of fish. These foods are also health for your heart and other parts of your body.
Be sure to get a good supply of them for brain fitness and for overall health.

