With a new Nintendo game, Brain Age, and Carol Vorderman's show, Big Brain Game, it's obvious that this is the new craze to take over the nation's puzzlers. Our brains age as we get older, but studies have shown that doing simple, fun puzzle like wordsearches, brainteasers and Sudokus stimulate your brain and help improve your memory, concentration and mental agility. In Daily Mail Brain Game, you can pit your wits against the puzzles and find out how old your brain is - and how young you can make it!