Perhaps you should read the Surgeon Generals Report of 1988, delivered to Congress by Otis R. Bowen M.D., a Republican, who was Secretary of the Department of Health and Human Services, under George H.W. Bush, also a Republican, at the time. The report can be found here: Nicotine Addiction
In his transmittal letter to the House of Representatives Dr. Bowen states the following:
"The issue of tobacco addiction has been addressed in previous Surgeon General's Reports and in the medical literature beginning in the early 1900s"
Notice that Dr. Bowen uses the phrase tobacco addiction and not tobacco habituation. That statement alone gives one cause to have to seriously consider your allegation of a Vast Left Wing Conspiracy (VLWC) occurring in 1989 and officially accepted in 1996.
But if you read through the report you will find much more useful information concerning the addictive properties of Nicotine and many references to other sources of information concerning the topic. Of particular interest to perhaps yourself and others on this thread is the following quote, which can be found on page 4 of the Introduction to the report.
1. Cigarettes and other forms of tobacco are addicting.
2. Nicotine is the drug in tobacco that causes addiction
3. The pharmacologic and behavioral processes that determine tobacco addiction are similar to those that determine addiction to drugs such as heroin and cocaine.