(CNN) – A sport that involves getting stung by jellyfish isn't for the faint of heart. But for one woman, extreme swimming is worth the pain and hours of training. Our Dr. Sanjay Gupta gives us this exclusive look at an amazing athlete.
Welcome to the American Morning blog where you can get daily news updates from American Morning's reporters and producers. Join us for "the most news in the morning," weekdays from 6-9 a.m. ET, only on CNN.