Inc. All rights reserved. First of all, there is no Constitutional or other legally protected right to engage in illegal conduct in the privacy of one's own home or anyone else's. Regardless, it IS the employer's business when drug abuse OFF the job will affect performance or safety ON the job. Some start that way, but drug-use tends to escalate with time. Using a little turns into using a lot .
Drug abuse has a major impact on workplace crime.
Crime in the forms of stealing from co-workers, blackmail, ties to organized crime, and the violence associated with drug dealing all threaten a health and safety workplace environment wherever drug abusers are employed. Further, the workplace often provides the perfect cover for buying and selling drugs. Marijuana can be a highly addictive drug. A study was conducted at Stanford University in which airline pilots smoked relatively weak government-issued marijuana cigarettes for the test. Each pilot was then tested on computerized flight simulators.