To assess cognitive performance, participants completed a battery of standardized tests. These included the Digit-Symbol Coding and Symbol Search tests to evaluate processing speed and attention, the ...

In recent years, there has been significant debate about whether ADHD is over-diagnosed. Studies indicate that over-diagnosis of ADHD occurs more often in children and adolescents, especially those ...

There are now 2.6 million people in the UK with ADHD – and diagnoses are on the rise. Looking at 18 years of anonymised NHS patient records, researchers at University College London noted a 20-fold ...