Obsessive-compulsive disorder (OCD) is a mental health condition that involves repetitive thoughts and behaviors. If you have OCD, you might also experience tics or disruptive involuntary sounds or ...

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This post was written by Chelsea Dale, M.S. Taylor’s mother noticed that her 8-year-old child was constantly sniffing but did not have a cold or allergies and was excessively blinking, head nodding, ...