Legally bought cannabis should be free of heavy metals, disallowed pesticides, fungus, and lead
Although e-cigarettes are considered a less dangerous alternative to combustible cigarettes, they can still result in, or sustain, nicotine addiction, for which the long-term safety issues and associated health risks are unknown
Rav Chaim Ozer (Achiezer 1:22) and the Aruch LaNer (Binyan Tziyon 1:137) seem to have different criteria, but it is clear that a risk that is accepted by the masses and is commonlike air or car travel (the Steipler is quoted as saying that if the Sanhedrin were around they would ban cars!)falls into the former, more permissive category
King size cigarettes will be the first to feature the individual health warnings and will be sold by retailers in Canada by the end of July 2024, followed by regular size cigarettes and little cigars with tipping paper, and tubes, by the end of April 2025