Good article from CrossFit.com:
1. Under high levels of pressurized oxygen, glioblastoma astrocytes ( most common type of primary brain tumor) die at a greater rate than normal cells. 2. In low-glucose, high-ketone environments, healthy neurons thrive but glioblastoma astrocytes die.
… nutritional ketosis, ketone supplementation, and hyperbaric oxygen therapy effectively slow the progression of cancer without the toxicity to patients that is so common in most other cancer therapies.