University of Southampton May 15 2026 Researchers have identified the best dosage for each ADHD medication using data from thousands of people with the condition. A new study published on May 14th, 2026, in T he Lancet Psychiatry provides the most comprehensive view of dosage effects for five commonly used medications for ADHD. To help patients and clinicians choose the right dosage, the international research team led by Professor Samuele Cortese from the University of Southampton has also