With the TCS New York City Marathon less than a week away, Dr. Singh breaks down how you should prepare the week before a big race. He covers:

(1:11) the importance of de-stressing, (3:05) tips to make sure you're getting enough sleep, (4:01) nutrition and "carb loading" properly, (5:53) hydration, (6:46) planning tips, and (8:43) recovery tips.

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