Nick Carter

Member of the Pop Group The Backstreet Boys; Contestant on Dancing With The Stars Season 21

Nick Carter Reflects on Loss of Brother Aaron as He Returns to Music Career

Johann Hari

Journalist & Best-Selling Author of "Chasing the Scream"

Magic Pill: The Extraordinary Benefits and Disturbing Risks of the New Weight-Loss Drugs

Bradley Cooper

Actor Known for "Silver Linings Playbook," "Serena" & "American Sniper"

Jodie Sweetin

Entrepreneur, Actress, Producer & Author

Mike Tyson

Former Boxing Heavyweight Champion; Entrepreneur & Philanthropist

Dennis Quaid

Actor / Patient Safety Advocate

Mary J. Blige

Grammy Award-Winning Singer, Songwriter & Rapper; Queen of Hip-Hop Soul

Rich Roll

Athlete, Wellness Advocate, Motivational Speaker, Addiction Survivor & Author

Elizabeth Vargas

Emmy Award-Winning Journalist; Best-Selling Author; Anchor for NewsNation

Russell Brand

Comedian, Actor, Radio Host, Author & Activist

Rex Chapman

Former NBA Player, Podcaster & Social Media Influencer; Addiction Awareness Advocate

Rex Chapman on His Addiction

Kid Cudi

Rapper, Singer & Actor; Known for "Pursuit of Happiness" & "Man on the Moon"

Darrell Hammond

Comedian, Actor & Second Longest Running Cast Member of SNL

Ashley Judd

Actress, Activist & Humanitarian

Alice Cooper

American Rock Singer-Songwriter; "Poison"

Andrew Zimmern

Four-Time James Beard Award-Winning TV Personality, Chef, Writer & Teacher

Joe Walsh

Lead guitarist for the Eagles and one of the best rock guitarist of all time.

Barbara Eden

Actress & Philanthropist, Best Known for "I Dream of Jeanie"

David Feherty

Golf Commentator for LIV Golf; TV Host, Bestselling Author & Former PGA Tour Pro

Richie Sambora

Musician & Longtime Lead Guitarist of the Rock Band Bon Jovi