Pfizer's quit smoking drug raises heart risks: study
LONDON (Reuters) - Healthy, middle-aged smokers who take Pfizer's Chantix or Champix, one of the most popular quit-smoking drugs, have a higher risk of suffering heart attacks or other serious heart problems, a study found on Monday.
Kate Kelland
LONDON
Mon Jul 4, 2011 1:41pm EDT
link-
http://www.reuters.com/article/2011/07/04/us-pfizer-smoking-champix-idUSTRE7633L820110704