ADHD includes the symptom of physical hyperactivity or excessive restlessness–that's the “H”. In ADD (or what is called in the diagnostic manual, ADHD, inattentive subtype), the symptom of hyperactivity is absent. Indeed, people with ADD can be calm and serene, not in the least hyperactive or disruptive.
ADD: Attention Deficit Disorder
This diagnosis can sometimes be given falsely to young kids since it is based on attention span and often that doesn't develop for some time in children
ADHD: Attention Deficit Hyperactive Disorder
Where a person not only has a short attention span but much energy almost to a jittery point
ADD is when you are very hyperactive but only inside your head it feels like there are constantly thoughts bouncing around and most of the time cant focus on any of them ADD is more common with woman while ADHD more with man. ADHD is more often diagnosed in early stages because people can notice it very quick, they act very hyper while people with ADD are more dreamly into their own thoughts etc.
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