[Ralfp]

It's a conspiracy theory saying that we know natural and effective cures to cancer, but those are ignored or shammed by Big Pharma and scientific world because they are conspiring to instead produce drugs that are costly and require taking for long periods of time because thats more profitable to them.

[aficiomaquinas]

I didn't mean that. Simply, pharmaceutical companies don't have incentives to invest in drugs that they won't profit from. Expired patent drugs come off first on that list.