Drug treatment can help people newly diagnosed with ADHD (attention deficit hyperactivity disorder) to reduce their risk of substance misuse, suicidal behaviour, transport accidents and criminality, a study suggests.
These issues are linked to common ADHD symptoms such as acting impulsively and becoming easily distracted.
Some 5% of children and 2.5% of adults worldwide are thought to be affected by the disorder - and growing numbers are being diagnosed.
The findings, published in the BMJ, confirm the wider potential benefits of drug treatment and could help patients decide whether to start medication, the researchers say.
"Oftentimes there is no information on what the risks are if you don't treat ADHD," said Prof Samuele Cortese, study author and professor of child and adolescent psychiatry at University of Southampton.
"Now we have evidence they [drugs] can reduce these risks."
This could be explained by medication reducing impulsive behaviour and lack of concentration, which might reduce the risk of accidents while driving and reduce aggressive behaviour which could lead to criminality.
Accessing the right medication for ADHD in many countries is not easy, with some drugs in short supply. In the UK waiting times to see specialists after diagnosis in order to access drugs can be several years.
Source: BBC News, 14 August 2025
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