To strengthen the mind, new book "The Age-Proof Brain" advises, work on everything else. Better eating, better sleeping and de-stressing are vital. Shutterstock See more of our coverage in your search ...

Ready to give your brain a turbo boost? Join us for 18 electrifying riddles that will have your neurons firing on all cylinders! These brain teasers are designed to get your mental agility soaring as ...