MILWAUKEE—Nearly nine out of 10 cases where vaping led to people developing a severe lung disease in Wisconsin involved the use of THC products, such as waxes or oils, Wisconsin’s Department of Health Services said on Aug. 30.
Health officials said that 89 percent of the 27 people they interviewed who became sick reported using e-cigarettes or other vaping devices to inhale THC, the psychoactive compound in marijuana.





