Is ADHD Always a Childhood Onset Disorder?

Is ADHD Always a Childhood Onset Disorder? by Joseph Biederman, MD – August 4, 2016 Recent population based studies raise the intriguing question as to whether adult ADHD is always preceded by childhood onset of symptoms or can develop anew in adult life. From Brazil, one group argues that child and adult ADHD are ‚Äúdistinct …

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