The important thing is to disseminate the information and it is up to them to decide whether or not to apply the knowledge they are given. Moreover, we can tell them that Vitamin C, sodium bicarbonate, it doesn't kill, so why not try it! I don't see what more we can do without breaking free will, or telling them what have you got to lose by following this advice?
Exactly, just put it out there whats the worst that can happen. Even if only one person takes it on board, that's good enough. Let them decide what they do with the information.