<i>In the modern world, it&#x27;s not ideal to create a drug to cure something.</i><p>The drug companies produce the drugs they can. They are nervous enough about having enough blockbusters in their upcoming pipeline that if they could make something that cures a given cancer, they would.<p>We&#x27;ve eaten the low-hanging fruit. If any of us went back in time a hundred years we could come up with a polio vaccine just by trying a few times to remember what we learned about it in grade school. Modern diseases that don&#x27;t have a cure in a pill isn&#x27;t because someone never thought of doing it; it&#x27;s because it takes hundreds of scientists doing lots of long trials to find something that improves outcomes by 10%.