We haven't cured cancer because the medical community and pharma are making too much money from this horrible disease.
Fact is, there are things that fight cancer successfully without high cost. I know at least a dozen people that have benefited from using shark cartilage. Either completely cured, or halted the growth of the cancer and prolonged their lives by years. There is a lot to know. The industry did a fine job attempting to discredit the people that discovered the benefits of shark cartilage, and now are literally attempting to develop pharma that does exactly what shark cartilage does. They have not had much success so far.