This revolutionary book explains one of the most effective methods to prevent cancer, a method which is free (costs nothing) and can also help greatly to cure cancer:
Artour Rakhimov "Doctors Who Cure Cancer: Anticancer Biography and New Way of Life to Treat the Emperor of All Maladies"
https://www.amazon.de/Doctors-Who-Cure-Cancer-Anticancer/dp/1490497986/
Also see
Also read Jane McLellands book "How to Starve Cancer" see https://howtostarvecancer.com
And see https://healingcancernaturally.com
Two more substances which can also help cure cancer are fenbendazole, possibly combined with Ivermectin, see
https://www.2ndsmartestguyintheworld.com/p/ivermectin-may-defeat-cancer-and