GlaxoSmithKline PLC - the best personalized free web-based Email en en GlaxoSmithKline PLC US drops bold warning from anti-smoking pills Chantix, Zyban WASHINGTON (AP) — U.S. health regulators on Friday removed a bold-letter warning from Pfizer's anti-smoking drug Chantix about risks of dangerous psychiatric side effects. The Food and Drug Administration action follows nearly a decade of scrutiny into the neurological effects of the smoking-cessation pill, which received the agency's most stringent warning in 2009 after rep... Fri, 16 Dec 2016 21:57:00 GMT 2016-12-16T21:57:00Z