Don't try it yourself, but it is possible to immunize yourself to some kinds of poison. Be silent and listen to Josh as he describes how it works. Tune in for new episodes every Monday, Tuesday and Thursday! Watch More Stuff You Should Know on TestTube testtube.com/stuffyoushouldknow Please Subscribe to Stuff You Should Know www.youtube.com/subscription_center?add_user=joshandchuck Watch More www.youtube.com/JoshAndChuck Twitter twitter.com/SYSKPodcast Facebook facebook.com/StuffYouShouldKnow Google+ google.com/+joshandchuck Stuff You Should Know Website stuffyoushouldknow.com

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