Safety of Pfizer Drug Questioned

CNBC.com: "LONDON - Following reports of depression and suicide in patients taking the anti-smoking drug Champix, the European Union's medicine authority has begun investigating its safety.
On Friday, the European Medicines Agency asked Champix's maker, Pfizer Inc., to submit more information about the incidences of depression and suicide in patients taking the drug.
'Based on a preliminary review of patient reports, our committee concluded this could signal a problem,' said Monika Benstetter, a spokeswoman for the EU agency, which authorizes medicines for use in the 27-nation bloc.