More people are smoking weed these days, sparking a haze of complications and confusion in the workplace.

A growing number of states in the US – and countries around the world – are legalising or decriminalising recreational and medical marijuana, forcing businesses to grapple with how to deal with employees who use the drug and could come to work still feeling its mind-altering effects.

But unlike alcohol or many other drugs, marijuana stays in a person’s system for weeks or months after usage, which creates a tricky situation for workplace drug tests. It’s entirely possible that employees could use marijuana in their personal time in a state or country where it’s entirely legal to do so – and be fired for testing positive on a drug test when they’re back at work days or weeks later.

The proliferation of different, sometimes conflicting laws and policies on marijuana use is especially vexing for companies operating across the globe

The proliferation of different, sometimes conflicting laws and policies on marijuana use is especially vexing for companies operating across the globe – or even just in multiple states within the US.

Read more