Behavior
Behavior
Behavior
Scientific insight and expert advice on behavior, personality traits and why we act how we do.
Meet the runner who’s out to prove that fitness fits all sizes
It’s Motivational Monday on the 3rd Hour of TODAY, and Jill Martin reports on Mirna Valerio, an ultra-marathoner whose mission is not only to conquer daunting long-distance races, but to prove that being fit is for people of all sizes. “I am a living example,” she says.
