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.

Chantix versus Zyban

Researchers in the United States say smokers who fail to quit smoking by using pills, should not be disheartened and should try again.

25 Feb 2007

Health care professionals should focus on women's lifetime heart disease risk

The 2007 Guidelines for Preventing Cardiovascular Disease in Women -- published today in a special women's health issue of Circulation: Journal of the American Heart Association -- also include new directions for using aspirin, hormone therapy and vitamin and mineral supplements in heart disease and stroke prevention in women.

20 Feb 2007

Smoking produces biochemical changes in human brain

New research shows for the first time that smoking produces long-lasting biochemical changes in the human brain similar to those changes previously seen in the brains of animals that used cocaine, heroin, and other illicit drugs.

20 Feb 2007

Updated guidelines provide definitive answers on HRT, aspirin, supplements

Health care professionals should focus on women's lifetime heart disease risk, not just short-term risk, according to updated American Heart Association guidelines.

20 Feb 2007

Genetic variations contribute to a person's risk for nicotine dependence

Americans are bombarded with antismoking messages, yet at least 65 million of us continue to light up. Genetic factors play an important role in this continuing addiction to cigarettes, suggest scientists at Washington University School of Medicine in St. Louis.

18 Feb 2007

Indicators for risk of heart disease are higher in passive smokers

Exposure to second-hand smoke at work, home or elsewhere results in a disproportionate rise in markers that increase the risk of cardiovascular disease, University of Nottingham researchers have found.

12 Feb 2007

Nicotine addiction depends on a healthy insula

Smokers with a damaged insula - a region in the brain linked to emotion and feelings - quit smoking easily and immediately, according to a study in the Jan. 26 issue of the journal Science.

29 Jan 2007

Successful lung cancer surgery not enough to break nicotine dependence in many smokers

A new study has found that close to half of 154 smokers who had surgery to remove early stage lung cancer picked up a cigarette again within 12 months of their potentially curative operation, and more than one-third were smoking at the one year mark. Sixty percent of patients who started smoking again did so within two months of surgery.

12 Dec 2006

Chronic use of nicotine can reinforce the rewarding effects of alcohol

When sober alcoholics are tempted to fall off the wagon, the same receptor is stimulated as is activated by nicotine in their brain.

2 Dec 2006

High dopamine transporter levels not linked to attention-deficit hyperactivity disorder

Results from a brain-imaging study conducted at the U.S. Department of Energy's Brookhaven National Laboratory in collaboration with Mount Sinai School of Medicine in New York indicate that levels of a brain protein proposed as a diagnostic marker for attention-deficit hyperactivity disorder (ADHD) are not positively correlated with the disease.

2 Dec 2006

Don't kid yourself by cutting down on cigarettes

According to new research smokers who believe they are reducing their risk for heart disease by cutting back on cigarettes, are kidding themselves.

28 Nov 2006

Combo of exercise and nicotine therapy ensures smokers quit

Researchers in Austria have found a way for people to quit smoking.

25 Oct 2006

Drug therapy for heroin addicts helps women quit smoking

New research is suggesting that women trying to quit smoking can be helped by taking medication approved for the treatment of alcohol and heroin dependence.

10 Oct 2006

Women who quit smoking during pregnancy less likely to remain nonsmokers because of concerns about weight

Women who quit smoking before pregnancy are less likely to remain nonsmokers after giving birth largely because of concerns about gaining weight, according to a study to be published in the October issue of the Annals of Behavioral Medicine, the Los Angeles Times reports.

20 Sep 2006

Tobacco companies find it hard to contest nicotine study

The largest tobacco company in the USA has disputed claims that the average amount of nicotine in cigarettes has risen significantly from 1998 to 2004.

13 Sep 2006

Nicotine shows potential medical benefits

Nicotine may improve the symptoms of depression in people who do not smoke, Duke University Medical Center scientists have discovered.

12 Sep 2006

Pediatricians not doing enough to stop parental smoking

Parental smoking is a pediatrician's business, experts say, yet many are reluctant to tell parents to stop smoking and offer little support for efforts to quit, a new study suggests.

31 Aug 2006

Varenicline shown to help 'quit smoking'

A drug recently approved by the U.S. Food and Drug Administration as an aid to smoking cessation appears effective both short- and long-term for smokers trying to quit, according to two reports in the August 14/28 issue of the Archives of Internal Medicine.

14 Aug 2006