Well, preventing Cancer has been a priority for evolution since the first multicellular organisms arose. It's just not that easy.
Developing a drug is an economically difficult thing: Spend billions for the chance to win billions. The only alternatives to big pharma in developing these drugs are big government and big charity (Gates' Foundation et al).
Developing a drug is an economically difficult thing: Spend billions for the chance to win billions. The only alternatives to big pharma in developing these drugs are big government and big charity (Gates' Foundation et al).