Article continues below advertisementBillie Eilish got candid about her Tourette's Syndrome tics and how she has to keep them at bay during her interviews and talk show appearances.The pop star, 24, opened up to Amy Poehler on her podcast "Good Hang" on Tuesday, May 5, and revealed how she manages the neurological disorder.Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: @Good-Hang-with-Amy-Poehler/YouTubeBillie Eilish discussed how she keeps her tics in check.