Here in Canada I've seen caffeine, tobacco, alcohol, and cannabis in the office, all seem generally well tolerated. I have heard of people taking narcolepsy dru

Here in Canada I've seen caffeine, tobacco, alcohol, and cannabis in the office, all seem generally well tolerated. I have heard of people taking narcolepsy drugs for productivity, but that was just one person I knew and I have never really seen people taking, or talking about taking much else at work.