Sunday's Panorama focused on updates from some of the biggest investigations the programme has carried out in the past year.
Among the programmes revisited was E-mails from the Edge, a programme about Seroxat, one of Britain's most widely used anti-depressants.
The original programme was prompted by the large e-mail response created from a previous Panorama about Seroxat and possible adverse reactions to the drug.
Dr Alastair Benbow of GlaxoSmithKline took part in a discussion about Seroxat and the latest developments.
He was joined by Dr Andrew Herxheimer, co-author of the medical report which was based on the e-mails sent in by Panorama viewers.
Also on the panel was Richard Brook, from the mental health charity MIND, who has recently been appointed to an expert working group looking at the safety of SSRI anti-depressants such as Seroxat.
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