ADHD can start in adulthood

It is well established that childhood ADHD continues into adulthood, however new research suggests that for some people ADHD does not start until after they reach their adult years.

This really important study published last month in the journal JAMA Psychiatry found that nearly 70% of adults with ADHD did not have symptoms of ADHD when they were children. Researchers from the Institute of Psychiatry, Psychology and Neuroscience at King’s College London looked at over 2,200 twins and measured symptoms of ADHD at ages 5, 7, 10, 12 and later at 18 years.

 
 

As the study investigated twins the researchers were also able to examine the genetic basis of ADHD – they found that adult or late-onset ADHD was less heritable than childhood ADHD, suggesting a different underlying cause.

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