ADHD may emerge after childhood for some people, according to new study [View all]

[HuckleB]

https://www.sciencedaily.com/releases/2016/05/160518120107.htm

"...

Attention-deficit/hyperactivity disorder (ADHD) is a developmental disorder marked by inattention, hyperactivity and impulsivity and is one of the most common behavioural disorders in children. It is widely believed that adult ADHD is the continuation of the disorder from childhood.

However, researchers from the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at King's found that nearly 70 per cent of the young adults with ADHD in their study did not meet criteria for the disorder at any of the childhood assessments. Adults with this 'late-onset' ADHD had high levels of symptoms, impairment and other mental health disorders.

Published in JAMA Psychiatry, these findings have important implications for our understanding of ADHD, as ADHD that onsets in adulthood could have different causes to childhood ADHD.

Findings from this UK cohort are confirmed by evidence for adult-onset ADHD world-wide: a study from Brazil will be published by JAMA Psychiatry alongside this research, which also identified a large proportion of adults with ADHD as not having the disorder in childhood. Both the UK and Brazilian studies support previous findings from a New Zealand cohort.

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Hmm. Hey, what's that over there? Hmm. Shiny.