Exclusive: Total spending in England expected to double existing budgets, with funding for private providers rising threefoldThe NHS is overspending by £164m a year on attention deficit hyperactivity disorder (ADHD) services, with an increasing amount going to unregulated private assessments, a Guardian investigation has found.Analysis shows that total spending on NHS ADHD services is expected to be more than double existing budgets. Further data shows the amount spent on private ADHD services has more than tripled over three years. Continue reading...