> You can't second hand smoke crack, that's not really how it works at all. Apparently, you are incorrect: https://jamanetwork.com/journals/jama/article-abstr

> You can't second hand smoke crack, that's not really how it works at all. Apparently, you are incorrect: https://jamanetwork.com/journals/jama/article-abstract/395287 https://jamanetwork.com/journals/jama/article-abstract/39528... > As for heroin, you can't just arrest people for shooting up in public and hope that's going to stop the problem. The problem is that they are shooting up in public, so if you take them out of the public then it sort of does stop the problem.