Pulmonologist Dr. Ravi Kalhan answers the internet's burning questions about our lungs. What happens to your lungs if you vape? How do our lungs know the difference between oxygen and carbon dioxide? How much snot can your lungs hold? Does lung cancer only happen because of smoking? Dr. Kalhan answers all these questions and much more!<br /><br />Director: Lisandro Perez-Rey<br />Director of Photography: Francis Bernal<br />Editor: Louville Moore<br />Expert: Dr. Ravi Kalhan<br />Line Producer: Joseph Buscemi<br />Associate Producers: Paul Gulyas; Brandon White<br />Casting Producer: Nick Sawyer<br />Camera Operator: Eric Brouse<br />Audio: Sean Paulsen<br />Production Assistant: Ryan Coppola<br />Post Production Supervisor: Alexa Deutsch<br />Post Production Coordinator: Ian Bryant<br />Supervising Editor: Doug Larsen<br />Additional Editor: Paul Tael<br />Assistant Editor: Justin Symonds
