Health & Wellness

Are you fit enough? A glimpse at how Olympians train and use science to help

To compete in the Olympics, it’s no secret that athletes spend much of their time training and eating a particular diet. But genes can also play a role. In fact, some athletes are having them analyzed to highlight their strengths and weaknesses. NBC’s Keir Simmons put his physical endurance to the max to see if he can train like the best. (Run time: 3:50)

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What it's like to train like an Olympian

Play Video - 3:51

What it's like to train like an Olympian

Play Video - 3:51

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