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Penn study: Marijuana doesnt cause bad behavior its the other way around Results of a new study by University of Pennsylvania researchers contradict previous reports showing a connection between conduct problems and marijuana use

Med Psychiatry 1 : 336342

So much stuff to research but you actually have only one real question: is vaping going to be able to satisfy my nicotine needs

Murphy professor of psychiatry at Yale University, and has researched nicotine and its effect on human behavior

Between 1995 and 1998 Jean-Pierre Changeux received grants totalling 220,000 USD from the Council for Tobacco Research.[1] In the late 1990s he became a collaborator and advisor for Targacept, a pharmaceutical subsidiary of RJ Reynolds,[2] and in 2006/2007 he supervised and published studies funded by Philip Morris International.[3] The results of a small study with significant flaws are being blown out of proportion and peoples lives are potentially being put at risk as a result, said Professor Anna Gilmore, Director of the Tobacco Control Research Group at the University of Bath and Partner in STOP

In other words, a gateway drug will not cause you to do hard drugs