Risk of over-diagnosing ADHD - psychiatrist

A leading New Zealand psychiatrist says there's a risk of over-diagnosing ADHD - and it's already being overtreated. Demand for medication to treat the disorder has jumped 140 percent in the last two years. Dr Sam McBride, from the Royal College of Psychiatry made the comments in an interview on 30' with Guyon Espiner. Espiner spoke to Lisa Owen.