You're building up your memory. You're thinking shaper. You're creating a healthier brain This is your brain on puzzles. It's no secret that puzzles-crossword puzzles, logic puzzles, word puzzles-challenge and entertain us. But exciting new research suggests that they've become more than just a fun pastime. Solving different kinds of puzzles can actually help your brain improve itself and-perhaps just as important-ward off mental deterioration. In...