Yeah, I agree that would be interesting, but I don't think we can say right now. One problem with collecting this data is that breathalyzers are cheap, easy, w

Yeah, I agree that would be interesting, but I don't think we can say right now. One problem with collecting this data is that breathalyzers are cheap, easy, well-known, and available. If there's an equivalent for detecting impairment from other drugs, I don't know of it.