An investigation into the suggestion that some general practitioners routinely prescribe tranquillisers despite being warned 20 years ago that they could cause side effects and addiction. Central to tonight's film is a former addict suing the company that invented benzodiazepine. Producer Murdoch Rodgers Editor Mike Robinson
Repeated on Wednesday at 11.45pm with sign language (S) (W) WEBSITE: www.bbc.co.uk/panorama
As Panorama is likely to react to news events, its subject matter may change