Kristin Haraldsdottir

Guest Blogger

Staying Healthy Never Felt So Good

One hour of additional sleep at night may be your best defense against the common cold

Why is it that when you are working hard and multitasking like a superhero, you tend to get sick? A recent study by Sheldon Cohen from Carnegie Mellon University examined the relationship between sleep habits and susceptibility to the common cold. The results indicated that there is a direct correlation between how much sleep you get per night and the likelihood that you will be stuck in bed with a rhinovirus after just two weeks of inadequate sleep.

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November 2009: Astronaut 3.0

Inside NASA's astronaut bootcamp and the grueling new training regimen for deep space. Plus, ten young geniuses shaking up science today, one writer's quest to analyze every man-made chemical in her body and more.

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