Debbie Gibson

Singer-Songwriter and Reality TV Star; "Only In My Dreams"

Dan Buettner

National Geographic Writer, Renowned Explorer & Author of "Blue Zones"

Dr. John McDougall and Dan Buettner talk about the Blue Zones

Dr. Mehmet Oz

Cardiothoracic Surgeon; Host of "The Dr. Oz Show;" Columbia University Professor & Author

Howie Long

NFL Hall of Famer & Superbowl Champion; Fox NFL Sunday Studio Analyst

Ben Goldacre

Physician; Best-Selling Academic & Science Writer

Trisha Yearwood

Country Music Artist, Two-Time New York Times Best-Selling Cookbook Author

Tiki Barber

NFL Former Pro Bowl Running Back & Founder of Thuzio

Magic Johnson

Basketball Hall of Famer, Entrepreneur, Philanthropist & Motivational Speaker

Magic Johnson opens up about his health, career 30 years after HIV ...

Tonya Pinkins

Actress

Kelly Osbourne

Fashion Designer, Singer & Actress; Former Contributor to E!'s "Fashion Police"; Daughter of Ozzy and Sharon Osbourne

Rita Moreno

Award-Winning Actress, Dancer & Singer; New York Times Best-Selling Author

Shannon Miller

Olympic Gold Medalist, Health Advocate & Cancer Survivor

Mike Greenberg

Sports Broadcaster; Host of "The Mike Greenberg Show" & Former Co-Host of ESPN's "Mike & Mike"

Bob Costas

Award-Winning Sportscaster, Broadcaster & Best-Selling Author; Well-Known for his MLB Game-of-the-Week Telecasts, CNN Contributor

Billy Blanks

Martial Artist, Actor, Creator of Tae Bo Exercise Programs

Carol Grace Anderson

Singer, Actor, Motivational Speaker & Author of "Get Fired Up Without Burning Out!"

Daniel Ivankovich

Orthopedic Surgeon, Humanitarian & Blues Musician

Dr. Heather Moday

Board-Certified Allergist, Immunologist, Functional Medicine Physician & Author of “The Immunotype Breakthrough”

Paul B. Rothman, M.D.

Dean of the Medical Faculty for the Johns Hopkins University School of Medicine & CEO of Johns Hopkins Medicine

Dr. Mercy Odueyungbo

Dermatologist & Cosmetic Surgeon; Star of TLC's 'Dr. Mercy'

Daniel Fagbuyi

ER Physician, War Veteran, Biodefense Expert, Healthcare Executive, Author

Dr. Rick Lehman

Founder & Medical Director of the U.S. Center for Sports Medicine, Orthopedic Surgeon, Team Physician & Radio Host

Marshall Summar

Director, Rare Disease Institute, Children's National Medical Center

Tisha Rowe

Family Medicine Physician & Entrepreneur

Jack Kreindler

Co-Founder at Certific & Honorary Research Fellow in Public Health at Imperial College London

Larry Komer, MD

Peak Performance Institute, Healthcare Innovation Expert

Dr. Lloyd Minor

Scientist, Surgeon & Academic Leader; Dean of the Stanford University School of Medicine

Dr. James Allison

2018 Nobel Prize in Medicine Recipient, Chair of Immunology & Executive Director of Immunotherapy at the University of Texas

Kafui Dzirasa

Assistant Professor in the Department of Neurobiology, Biomedical Engineering, and Psychiatry and Behavioral Sciences at Duke University Medical Center

Dr. Aenor Sawyer

Chief Health Innovation Officer at the Translational Research Institute for Space Health; Director of UCSF Skeletal Health Service