Updated 25.11.21. This article has been updated to make clear the distinction between Tourette’s syndrome and tics. A quote from Uttom Chowdhury has also been amended to make clear this distinction. Last summer, 17-year-old Eliza began experiencing mild but uncontrollable tics. Her nose would twitch, her eyes would shut and squint. By August, she had been diagnosed with Tourette’s syndrome, and...