Links Between Cannabis, Illness Persist Despite Legalization Pushes

I've covered things that injure, sicken and kill kids and adults for more than 30 years. From auto safety to medical errors, I've competed to break stories on the latest deadly defect or health policy change, most recently on electronic cigarettes.

In late August, I added vaping-related lung illnesses to the beat. Last month, I added marijuana, psychosis and other mental illness.

It's a pretty solitary place to be.

We reporters covered the heck out of vaping lung illnesses starting in August. Once it became clear the culprit was THC...

Cannabis edibles were poised to become the next big health craze -- but science is saying to be aware.

Weed edibles have been legal recreationally in Canada since October and are on the cusp of being widely available to the public. They're also popular, according to the 2019 National Cannabis Survey, with 27% of Canadian respondents who used cannabis reporting they'd eaten edibles during the previous three months.

In the U.S., 11 states and Washington, D.C., have legalized recreational marijuana, with more states expected to go fully legal in 2020.