The articles seems much more inconclusive than your comment implies. On one hand, yes, they point out that MAOIs may be confounding. But they also say: “additi

The articles seems much more inconclusive than your comment implies. On one hand, yes, they point out that MAOIs may be confounding. But they also say: “additional work since 2002 has clearly shown that nicotine alone does have some addictive properties” And, frustratingly, they point out that addiction effects can’t be parsed out using smokers because of the confounding effects of other chemicals present in tobacco yet they quote a study using smokers to support the non-addiction claim.