The Cost of Waiting: What Delayed ADHD Diagnosis Does to Mental Health

Handwritten notebook listing common ADHD symptoms including impatience, memory difficulties, sleep problems and impulse control challenges.

ADHD waiting times in the UK are no longer just a capacity issue. In 2026, they are a mental health risk factor. With ADHD assessment waiting lists stretching into years in some areas, delayed diagnosis is directly contributing to worsening mental health outcomes and rising pressure on NHS services. What happens while people wait? When […]