New marketing ads for Pfizer's Chantix will look very different from the original 'tortoise and the hare' ads of last year, now that Pfizer has to include risk for suicide. Pfizer was forced to withdraw its ads for the much-maligned smoking cessation drug in February, after the US Food and Drug Administration (FDA) issued a public health warning pertaining to the potential risk for suicide, and a strong warning letter issued by the FDA to Pfizer, validating the potential causal link between the use of Chantix and suicidal thoughts...
