10% Happier with Dan Harris Folgen

Tibetan Buddhist monk Matthieu Ricard, who is originally from France, earned the moniker "world's happiest man" after brain scans taken during a neurological study on meditation (led by Dr. Richie Davidson) showed excessive activity in his brain as he meditated on compassion. A staunch vegetarian, Ricard talks about the importance of extending compassion to all beings, including animals, which he lays out in his new book, "A Plea for the Animals: The Moral, Philosophical, and Evolutionary Imperative to Treat All Beings with Compassion."

Mary Karr has shared many dark pieces of her past in her memoirs, from a painful childhood, to a long struggle with alcoholism and depression, to living her entire life as an agnostic before becoming a Roman Catholic. It was when she said she found herself "sober in a mental institution" that she first began to pray and meditate, both of which are practices she continues today to stay centered.

The host of the mega-popular Top 40 radio show, "Elvis Duran and the Morning Show," has never shied away from dishing out "real talk" to his millions of listeners, not even when it comes to his dramatic weight loss after "gastric sleeve" surgery. Duran is a longtime meditator and talks about keeping up with the practice while also trying to maintain his edge.