'Thousands of adults are being prescribed drugs designed to treat hyperactive children, new figures show.
A record number are taking medicines such as Ritalin - some for up to 20 years - after a childhood diagnosis of attention deficit hyperactivity disorder (ADHD).
Experts are warning of a "timebomb", with more than 140,000 prescriptions for such drugs issued to adults last year, despite fears about the long-term effects of medication which has been dubbed a "chemical cosh".'
