Studies show that happier, more optimistic people live longer, perform better in work and school, and lead healthier lives than their unhappy, pessimistic counterparts. But what can we do in our everyday lives to make ourselves both happier and healthier? "The Happiness Psychiatrist" Sheenie Ambardar and life coach Cynthia Loy Darst talked with Southern California Public Radio healthcare reporter Stephanie O’Neill about why it’s good to be happy, and how happiness can be achieved.