Chantix was approved by FDA for use in 2006, it took until June 2021 for them to realize there was unacceptable levels of cancer causing nitrosamines in it forcing the folks over at the big P company ... View MoreChantix was approved by FDA for use in 2006, it took until June 2021 for them to realize there was unacceptable levels of cancer causing nitrosamines in it forcing the folks over at the big P company to halt production and recall. In other words, their research of it’s effects on the human body took 15 years to uncover. 15 years to figure out that it is dangerous. Just a little food for thought next time some of you feel compelled to call others selfish or stupid for being skeptical of something that hasn’t even been established/approved for a full 12 months.