Tourette syndrome
People with this syndrome make involuntary repetitive sounds and movements. Most don't need treatment, and relaxation exercises may reduce symptoms.
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Trichotillomania
Trichotillomania is a mental health disorder where you feel compelled to pull out hair. It can cause embarrassment and distress, but help is available.
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Twitching eye
Spasms in the eyelid can signal fatigue, stress and in rare cases, multiple sclerosis. Learn about its causes and treatments and when to see a doctor.
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