10% Happier with Dan Harris Folgen

In her new book, "The Four Tendencies," best-selling author and speaker Gretchen Rubin breaks down what she denotes as four different personality profiles -- Upholder, Questioner, Obligor and Rebel. Rubin, who is also the host of the popular podcast, "Happier with Gretchen Rubin," and calls herself an "Upholder," says "The Four Tendencies" help explain how we form or break habits, how we respond to "inner" expectations of ourselves, such as keeping a New Year's resolution, and how we meet "outer" expectations from others, such as making a work deadline.

Dan Goleman and Richie Davidson, both titans in their respective fields and best-selling authors, have co-written a new book out now entitled, "Altered Traits: Science Reveals How Meditation Changes Your Mind, Brain and Body." Goleman, a renowned psychologist and science journalist, and Davidson, a prominent neuroscientist and founder of the Center for Healthy Minds, talk about their cutting-edge research in this new book, comparing brain activity of "Olympic level" meditators (such as monks) to meditation beginners and how mindfulness can be restorative for brain health.

Justin von Bujdoss was working as a hospice chaplain in New York City, traveling all over the five boroughs and greater metropolitan area to visit patients, when he began volunteering at the city's notorious Rikers Island Jail. Von Bujdoss started out teaching meditation to groups of female inmates, but now he's the first ever staff chaplain for the city's Department of Corrections, providing spiritual and emotional support for officers, and he talks about seeing suffering on both sides of prison life.