"CBD became something that NHL players and pro-athletes and a lot of people were turning to as a healthier alternative to the methods that they were previously using," said Cammalleri.
Answers to common questions about CBD health claims for pain
But just how safe and effective is CBD at helping with pain and anxiety?
McMaster University professor Stuart Phillips says there are plenty of anecdotal reports about the benefits of CBD, but he'd like to see more science backing that up.
"The research that's out there is completely in its infancy," said Phillips, who is the director of the McMaster Centre for Nutrition, Exercise and Health Research in Hamilton.
"We know probably a lot more about THC than we do about CBD, but we know very little about either compound."
Hopefully Ujiri can lead the wave for a push towards more progressive athlete policing.
Also, Toronto's finest (this actually happened)