This may be one of those areas where knowledge is a dangerous thing, or what you don’t know can’t hurt you. My mother spent a bazillion hours admonishing us on the downside of eating snow. It didn’t take. I, and nearly everyone of my childhood buddies, ate snow by the barrel. I don’t think I EVER heard of anyone getting sick from it.
used to be for fear of nuke test fall-out that folks might have been advised to be more cautious,, these days, maybe it’s crud from china and india,, the old adages still apply .. and nope, never got sick here either..
It’s a mother’s job to tell a kid not to do something, and the kid’s job to go ahead and do it anyway.