Rickson Gracie Details Fight Against Parkinson’s, Receives Support from Biggest Rival

Considered the greatest representative for jiu-jitsu practitioners in the 1980s and 1990s, Rickson Gracie revealed in 2023 that he was diagnosed with Parkinson’s disease. And it was the battle against the disease that motivated him to launch his second book, “Comfort in the Dark: The Power of Invisible Jiu-Jitsu” in July 2024.