Cures aren't really binary things. Something like "stomach cancer" is probably a whole bunch of (perhaps at present indistinguishable) diseases. Add to that t

Cures aren't really binary things. Something like "stomach cancer" is probably a whole bunch of (perhaps at present indistinguishable) diseases. Add to that that event amongst cures for the exact same malady, there can be differences in side effects, efficacy, and treatment length.