Natalie Coughlin came back from the London Olympics with her 12th Olympic Medal, tying the record for the most medals won by an American female Olympian. But it's not just exercise that keeps her ... more 
Natalie Coughlin came back from the London Olympics with her 12th Olympic Medal, tying the record for the most medals won by an American female Olympian. But it's not just exercise that keeps her going in the pool. She is going to share her "secret ingredient". less 
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Meredith Video Studios
Fri, May 9, 2014 2:11 PM EDT