The problem with the medical field just as with religion is that there are many truths and there are many things that have helped people and helped their physical vehicles immensely. Trauma surgeries, emergency care, many of those things are vital to human evolution and survival. However, many people have also been duped into the whole vaccine disinformation propaganda. Your body is the most powerful healer, but it is also only going to do what you believe it can do. If you believe that something will give you cancer, consciously or subconsciously, it will.