The C.D.C. said serious respiratory problems were reported in the past two months, though it remained unclear whether vaping nicotine or THC, the high-inducing chemical in marijuana, was the cause.
Vaping Sicknesses Rising: 153 Cases Reported in 16 States
The C.D.C. said serious respiratory problems were reported in the past two months, though it remained unclear whether vaping nicotine or THC, the high-inducing chemical in marijuana, was the cause.