About the Blog Author-John R. Hughes, MD

John R. Hughes, MD is Professor of Psychiatry, Psychology and Family Practice at the University of Vermont. Dr. Hughes is board certified in Psychiatry and Addiction Psychiatry. His major focus has been clinical research on tobacco use. Dr. Hughes received the Ove Ferno Award for research in nicotine dependence and the Alton Ochsner Award Relating Smoking and Health. He is a co-founder and past president of the Society for Research on Nicotine and Tobacco, and the Association for the Treatment of Tobacco Use and Dependence. Dr. Hughes has been Chair of the Vermont Tobacco Evaluation and Review Board which oversees VT’s multi-million dollar tobacco control programs. He has over 400 publications on nicotine and other drug dependencies and is one of the world’s most cited tobacco scientist. Dr. Hughes has been a consultant on tobacco policy to the World Health Organization, the U.S. Food and Drug Administration, and the White House. His current research is on how tobacco users and marijuana users stop or reduce use on their own, novel methods to prompt quit attempts by such users, whether smoking cessation reduces reward sensitivity and whether stopping e-cigarettes causes withdrawal. Dr Hughes has received fees from companies who develop smoking cessation devices, medications and services, from governmental and academic institutions, and from public and private organizations that promote tobacco control.


  • Is Marijuana Legalization Increasing Tobacco Use?

    The title of a recent article stated that smoking is actually increasing over time in those using illegal drugs (Addiction 113:719). But when I read it, found that it was more complicated than that. Seems that cigarette use in those with opioid, cocaine, etc. dependence increased over time from 61% in 2002 to 68% in 2014 (ie.by 0.6%/yr.). But then smoking in those with cannabis dependence (which is 6 times more common) was decreasing over time at a rate even greater....