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.

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