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These are the criteria requirements for a child to be diagnosed with Generalized Anxiety Disorder.
What is ONE symptom from the list of symptoms for GAD (as opposed to 3 or more for adults).
i.e. restlessness, tiring easily, trouble concentrating, irritability, increased muscle tension, trouble sleeping, trouble controlling feelings, excessive anxiety and worry about several events or activities for more than ½ the days in at least SIX months