10% Happier with Dan Harris Folgen

Roshi Joan Halifax came to New York City by way of New Orleans in the '60s with a thirst to engage in social justice, protesting "everything related to discrimination," she said, and the Vietnam War. Halifax, whose latest book is called "Standing at the Edge: Finding Freedom Where Fear and Courage Meet," went on to become a Buddhist teacher, Zen priest, anthropologist and a pioneer in the field of end-of-life care who has brought her work into psychiatric programs, penitentiaries and refugee camps.

It was around the time she decided to go on her second meditation retreat that Sally Kohn, a gay, Jewish, community organizer turned political commentator, took a job as a commentator for Fox News. In her TV career -- she's now a commentator for CNN -- Kohn has experienced hateful personal attacks from online trolls and recently faced some backlash over her first book, "The Opposite of Hate: A Field Guide To Repairing Our Humanity," but with her book she has lead a conversation around finding compassion for those who trumpet hate.

Comedian Paul Gilmartin was the host of TV's "Dinner and a Movie" for 16 years, but smiling and acting happy on-screen often "felt like lifting 500 pounds," he said, as he struggled behind the scenes with depression and even contemplated suicide. When the show ended, Gilmartin launched "The Mental Illness Happy Hour" podcast, which he said has been a valuable outlet that allowed him to work through his claims of being sexually abused by his mother and helping others with their own personal struggles.