They were a staple on cable news for years.
They're gone now because last year the FDA pulled the drug from the market due to cancer risks.
Lookup how many FDA approved drugs were later pulled from the market due to side effects that had been previously unknown.
Im old enough to remember when you didn’t need a new drug to get you off of an old drug. The idea that you need chantix to quit smoking is a cruel joke, but its an easy trick to play on someone who is stupid enough to smoke in the first place