What's the difference between a. d. d. and eighty eight h. d.?
ADD is a type of ADHD that doesn't involve constant movement & fidgeting. Since 1994 all forms of attention-deficit disorder are called "attention-deficit hyperactivity disorder," even if not hyperactive. Now named ADHD, inattentive type, or ADHD, hyperactive impulsive type, or ADHD, combined type.
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