ADD or ADHD?
ADHD (attention-deficit/hyperactivity disorder) is
the term now used for a condition that has had several names over the
past hundred years.
Science recognizes three subtypes of ADHD
(inattentive, hyperactive-impulsive, and combined).
A diagnosis of
one type or another depends on the specific symptoms (the "diagnostic
criteria") that person has. Learn
more...
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For in-depth information on this and many
other topics,
see the complete list of What We Know info
sheets on ADHD.
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