Nicotine is the major factor in the continuation of the smoking habit among humans. On December 2-4, 1985, under the sponsorship of the Tobacco and Health Research Institute in Lexington, Kentucky, leading scientists from around the world whose research efforts have focused on the role of nicotine in the tobacco habit participated in an International Symposium to provide the most comprehensive and xtensive coverage of this topic so far. The material discussed was in the forefront of man's knowledge about nicotine, and both lectures and question and answer sessions were stimulating and...