British scientists have found the first direct evidence that attention deficit/hyperactivity disorder (ADHD) is a genetic disorder, and they say their research eventually could lead to better treatments for the condition, Reuters reports. Researchers who scanned the gene maps of more than 1,400 children found those with ADHD were more likely than others to have small chunks of their DNA duplicated or missing. Anita Thapar, a professor psychiatry at Cardiff University who led the study, said the findings should help dispel the myths that ADHD is caused by bad parenting or high-sugar diets. "This is really exciting, because it gives...
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