Billie Eilish Shares Her Experience With Having Tourette Syndrome

Refinery 29 reports that singer Billie Eilish has recently opened up about living with Tourette Syndrome. The 16-year-old revealed on Instagram that she has the disorder, but was reluctant to share about it because she didn't want her fans thinking of the disorder every time they thought of her. Tourette Syndrome causes involuntary and repetitive physical and vocal "tics". The tics are defined as "repeated, sudden, rapid, nonrhythmic muscle movements including sounds or vocalizations.