Exhale Expands Its Best THC Vape Lineup With Two New Product Launches Stores sell supplies for fake, maybe dangerous, cannabis vapes Los Angeles Times Cannabis oils used in vaping devices can have high levels of THC. Many young people in Ontario say they use cannabis. In 2023, about 1 in 6 students in grades 712 said Toxic metal particles can be present in cannabis vapes even before the first use American Chemical Society