Do Pill Mill Laws Affect Suicide?

The idea that suicide could be particularly affected by these policies comes from two different audiences. One audience says, hey, if you restrict my pain medication, i'm going to be experiencing that pain a lot more often. On the opposite side, i'm making these drugs more readily available. Whenever these pill mills are in existence, it also means i can make suicide via drug more readily availabe. So we needed empirical way of resolving this ambiguity between the two effects, right?