Jonathan Mesiano-Crookston on Nostr: Can someone kindly point me to the randomized controlled trial of not drinking raw ...

Can someone kindly point me to the randomized controlled trial of not drinking raw stream water?

Is there a randomized controlled trial for not looking both ways before crossing the street as compared with looking?

How do we know any of these things are not only effective, but COST EFFECTIVE in the real world if we're not running randomized controlled trials!!!