Nicotine News and Research

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Nicotine is an alkaloid found in the nightshade family of plants (''Solanaceae'') which constitutes approximately 0.6–3.0% of dry weight of tobacco, with biosynthesis taking place in the roots, and accumulating in the leaves.

Nicotine has an unusual psychological property that may drive dependence

Associate Professor Athina Markou, Ph.D., who is in the Scripps Research Molecular and Integrative Neurosciences Department at Scripps Research’s La Jolla Campus, and Paul Kenny, Ph.D., a former Research Associate in her laboratory, report in an upcoming issue of the journal Neuropsychopharmacology that nicotine has an unusual psychological property that may drive dependence.

28 Sep 2005

Alcoholics who smoke appear to lose more brain mass than alcoholics who don't smoke

It is already well-known that the brains of long-term alcoholics atrophy and shrink, the study authors say, but the new findings are the first evidence that cigarette smoking might contribute to that atrophy, particularly in grey matter of the parietal and temporal lobes.

28 Sep 2005

Possibility of tailored treatments for addiction based on how a person's genes behave

Scientists have learned how a genetic variation long suspected in making some people susceptible to alcoholism and narcotic drug addiction actually does so.

27 Sep 2005

HDL cholesterol helps prevent blocked arteries and heart attack

Cardiology experts at Johns Hopkins have issued interim guidelines for physicians on how best to treat low levels of HDL cholesterol, the so-called good cholesterol, which helps keep arteries clear from the buildup of LDL cholesterol, the so-called bad cholesterol.

22 Sep 2005

Killer secondhand smoke campaign flares up in the UK

According to new research by the National Health Service (NHS), 60 per cent of smokers light up and smoke without asking for permission, despite the fact that most non-smokers mind if other people are smoking nearby.

6 Sep 2005

Study results counters the popular belief that nicotine exposure curbs appetite

A new study by Yale researchers shows that prior nicotine exposure in mice can increase their motivation to respond work for food, weeks after their last exposure to nicotine, a finding that runs counter to the popular belief that nicotine exposure curbs appetite.

31 Aug 2005

Genetic makeup may detemine likely success of quit smoking therapies

A study by researchers at the Transdisciplinary Tobacco Use Research Center (TTURC) of the University of Pennsylvania School of Medicine indicates that a smoker's genetic make-up may affect whether they quit or not while using either bupropion (Zyban) or nicotine replacement therapies (NRTs) such as the nicotine patch or nasal spray.

30 Aug 2005

Nicotine patch dosage can be adjusted to provide more effective treatment for smokers with a history of alcoholism

Tobacco-caused disease is the leading cause of death for patients with alcoholism, but a study led by The Mayo Clinic Nicotine Dependence Center brings hope to non-depressed, recovering alcoholics who also smoke - individualized nicotine patch therapy. The findings were published in the July issue of Journal of Studies on Alcohol.

15 Aug 2005

Specialist counselling does not help pregnant smokers quit

Motivational interviewing by specially trained midwives does not help pregnant smokers to quit, finds new research in this week's BMJ (British Medical Journal).

11 Aug 2005

NicStic - world's first smokeless and tobacco-free cigarette to go on sale

According to Swissmedic, the Swiss Agency for Therapeutic Products, the NicStic is not a medicinal product and the way has been cleared for its commercial production.

4 Aug 2005

Risk of metabolic syndrome raised even by secondhand smoke

A new study has shown that even secondhand smoke can raise the risk of metabolic syndrome, a condition marked by obesity, high blood pressure, unhealthy cholesterol levels and pre-diabetes.

4 Aug 2005

Smoking during pregnancy linked to childrens' anti-social behaviour

It has been well documented that smoking during pregnancy can harm the developing baby, but now, according to researchers, women who smoke during pregnancy may increase the risk of their child displaying anti-social behaviour.

2 Aug 2005

Survey shows lead, tobacco exposure may be down in U.S., but blood and urine samples, awash with chemicals

According to the latest U.S. government survey on chemical exposures, levels of lead have dropped dramatically, exposure to second-hand smoke is down and most women are not carrying unsafe levels of mercury.

23 Jul 2005

Smokers believe light or herbal cigarettes are less harmful

Nearly one-fourth of cigarette smokers believe that so-called reduced-exposure tobacco products - such as "light," herbal or reduced nicotine cigarettes - are less harmful to their health than conventional cigarettes, a new study finds. However, such beliefs are not backed up by existing evidence, according to the study's authors.

19 Jul 2005