Despite more safety rules, kids around the world continue swallowing magnets, and the United States tops the list. Magnet swallowing has posed a danger to kids in the U.S. for over a decade.

COLUMBUS, Ohio (WCMH) — A child separates magnets with their teeth, and swallows. A teen pretends to have a pierced tongue. Or a tot picks up a fistful of shiny magnetic shapes, and down the hatch ...