Migraine Device 'Cephaly' Uses TENS to Reduce the Incidence of Migraine HeadachesIt looks like something designed for Star Wars, a sleek forehead tiara with a jewel mounting in the middle. Actually, it's meant to get rid of migraine headaches. The Cephaly, produced by Roxon (St. Leonard, Quebec Canada) uses an approach with a long name, transcutaneous electrical nerve stimulation, shortened to TENS, which has a decade or two of history but at least up to now, limited success...