US drops bold warning from anti-smoking pills Chantix, Zyban

WASHINGTON — 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 reports of […]