How long does cannabis stay in your system?

published on February 23, 2019 by Leslie Young in Global News (BC)

While a high might only last a few hours, cannabis can linger in your body for days after you consume it, experts say.

But exactly how cannabis works its way through your system is a complicated question. Here’s what we know.

Smoking or vaping cannabis is a “very efficient way to get the drug into your bloodstream,” said Dr. Robert Mann, a senior scientist at the Centre for Addiction and Mental Health…