New York Times Brainbuilder Crosswords: 75 Brain-Boosting Puzzles

1. CR_SSW__D_S

1.Medically proven brain-buliding technique that's lots of fun, too!

To build up your abdominals, try situps; to pump up those biceps, you can try lifting weights; but to exercise those mental muscles, crossword puzzles are the way to go! So if you're looking for a great workout that will leave your brain refreshed and recharged, there's no better way to do so than by grabbing a New York Times crossword puzzle and solving away. Features:

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