Yes, that's right. No chemotherapy, no radiotherapy, and he's not a lunatic. He has a science-based approach, and as a matter of fact he has hired a whole team of scientists to follow and advise him. Together, they have published several scientific papers on the topic. Their approach is based on the premise that cancer is a metabolic disease, as postulated by Nobel price laureate Otto Warburg at the beginning of the last century. The treatment therefore consists of blocking all metabolic paths to cancer cells to prevent their multiplication. I'm not an expert, but I've watched several videos of Drs Seyfried, Schwartz, etc, who work with him. It's a fascinating topic and very promising. Here's his English channel: https://youtube.com/@survivefromcancer