(CNN) — Tiny packets of nicotine have quickly become a big problem for parents and schools. They’re available at gas stations and convenience stores under names like Zyn, O! Rogue, Juice Head and VELO ...

Nicotine pouches such as Zyn are held between the inner lip and the gum and contain nicotine or synthetic nicotine and flavoring such as mint or fruit flavor. Tiny packets of nicotine have quickly ...