science
Dentists publish first case reports of leukoplakia linked to nicotine pouchesA peer-reviewed case series in BMC Oral Health documents two young men who developed receding gums and a white oral patch — leukoplakia — at the exact spot where they habitually parked their nicotine pouches. It is the first published clinical case report of leukoplakia associated with pouch use, though the lesion was never biopsy-confirmed.