Due to the changing laws regarding marijuana use, roofing contractors may be wondering whether John Smith can smoke marijuana during his lunch break. Or whether employees can take their “medicine” before heading into work. In addition to the concern of having employees high on the job, employers are likely wondering how they’re able to enact policies to provide a safer work environment by barring the use of marijuana on the job. This article will help to explain the different rights and options of both the employer and its respective employees.