John Green returns to the show to talk about tuberculosis — a disease that kills more than a million people a year. Steve has an idea for a new way to get treatment to those in need. SOURCES: John Green , best-selling author and YouTube creator. RESOURCES: Everything Is Tuberculosis: The History and Persistence of Our Deadliest Infection , by John Green (2025). " The Deadliest Infectious Disease Isn’t a Science Problem. It’s a Money Problem ," by John Green ( The Washington Post , 2024). " The Deadliest Infectious Disease of All Time ," by John Green ( Crash Course , 2024). " Barely Contained Rage: An Open Letter to Johnson & Johnson ," by John Green ( Vlogbrothers , 2023). " Designing Advance Market Commitments for New Vaccines ," by Michael Kremer, Jonathan D. Levin, and Christopher M. Snyder ( NBER , 2020). " Are CEOs Rewarded for Luck? The Ones Without Principals Are ," by Marianne Bertrand and Sendhil Mullainathan ( The Quarterly Journal of Economics , 2001). " A Further Communication on a Remedy for Tuberculosis ," by Robert Koch ( The Indian Medical Gazette , 1891). EXTRAS: " His Brilliant Videos Get Millions of Views. Why Don’t They Make Money? " by People I (Mostly) Admire (2025). " Sendhil Mullainathan Thinks Messing Around Is the Best Use of Your Time (Update) ," by People I (Mostly) Admire (2024). " John Green’s Reluctant Rocket Ship Ride (Update) " by People I (Mostly) Admire (2024). " Rajiv Shah Never Wastes a Crisis ," by People I (Mostly) Admire (2024). " 'There’s So Many Problems — Which Ones Can I Make a Difference On?' " by People I (Mostly) Admire (2022). The Anthropocene Reviewed: Essays on a Human-Centered Planet , by John Green (2021). The Anthropocene Reviewed (podcast). Nerdfighteria . TBFighters . Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.