Products: Nicotine pouches (placed in the mouth between the gum and cheek), also known as tobacco-less or tobacco-free nicotine pouches, nicotine buccal pouches and oral nicotine pouches.

The pouch also contains a nicotine hit, explains Clarke. Irina Piskova//Getty Images “Nicotine is absorbed into the body by the buccal cavity,” she says – and for those of us who didn’t ...