Wednesday, August 6, 2008

Why Some Smokers Become Addicted With Their First Cigarette

ScienceDaily (Aug. 6, 2008) — New research from The University of Western Ontario reveals how the brain processes the 'rewarding' and addictive properties of nicotine, providing a better understanding of why some people seemingly become hooked with their first smoke.

The research, led by Steven Laviolette of the Department of Anatomy and Cell Biology at the Schulich School of Medicine & Dentistry could lead to new therapies to prevent nicotine dependence and to treat nicotine withdrawal when smokers try to quit.

"Nicotine interacts with a variety of neurochemical pathways within the brain to produce its rewarding and addictive effects," explains Laviolette. "However, during the early phase of tobacco exposure, many individuals find nicotine highly unpleasant and aversive, whereas others may become rapidly dependent on nicotine and find it highly rewarding. We wanted to explore that difference."

Click here to read entire article at Science

No comments: