When's an emergency really an emergency? How many times have you been to the doctor for something you could have sorted out yourself? With the NHS under real strain Dispatches investigates those who are over-using our health system, from the anxious woman who calls an ambulance 20 times a year, to the young mums who head to A&E with minor ailments and illnesses. Hundreds of millions of pounds are wasted every year on missed appointments, unnecessary call-outs and the misuse of A&E. Tazeen Ahmad asks whether it's now time to consider charging for these services. Would fees deter the worried well or aggravate real health issues?