At age 35, John Johnson believed he was in peak physical condition. As a runner, he trained diligently for the 2023 Cleveland Marathon. However, just a few weeks later, the young father received devastating news: he had been diagnosed with colorectal cancer. John joins Dr. Steele and his colorectal surgeon Dr. David Rosen on this episode of Butts & Guts to share his inspiring story, the warning signs he noticed, and advice he shares with others about his experience.