Vaping related illnesses in Iowa tied to THC prompt more questions about e cigarettes' safety As studies about e cig dangers mount, movement to regulate grows News cnhinews.com Cigarette lectronique Istres IVAP As if the challenge of underage vaping wasn't concerning enough, we're now facing a troubling rise in THC consumption through vapes in UK schools. THC (Tetrahydrocannabinol), the psychoactive Simon Hassett Comment Arrter de Fumer Naturellement? Para E.Leclerc