author

Shanna H. Swan, an environmental epidemiologist and author of "Count Down," discusses her work. She is also the director of The Action Science Initiative and is featured in the documentary "The Plastic Detox."

Ethan Hawke, an actor, filmmaker, and author, is featured in this episode. Discussion includes his recent work such as the film “Blue Moon” and the FX series “The Lowdown.”

John Cena, a WWE 17-time World Champion wrestler, bestselling author, and actor, is featured on this episode. His acting credits include the “Fast & Furious” franchise, “The Suicide Squad,” and “Peacemaker.”

Jeremy Renner, known as an actor, musician, philanthropist, and author, is a guest on The Joe Rogan Experience. He discusses his new memoir, "My Next Breath."