Almost everyone knows of someone who has been affected by dementia or Alzheimer’s disease, and the threat of losing ones memory is spurring the growth of the “brain fitness market”. Nintendo has produced games and puzzles called “brain age” to ward of dementia, and the brain fitness boom is not going away. When technology is used to store numbers in cell phones, give directions through GPS systems, store passwords on website e-mail and contacts it is important to stay on the top of your game, and keep your brain sharp. Games like the ones produced by Nintendo, and others that can be found in the daily newspaper such as the numbers Sudoku game can help.