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.

Evidence reveals ferroptosis's critical role in male reproductive health

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2 Oct 2023

Nicotine e-cigarettes, varenicline, and cytisine most effective for long-term smoking cessation, analysis finds

A comprehensive new analysis has found that nicotine e-cigarettes, varenicline and cytisine are the most effective options currently available for helping smokers quit long-term (going at least six months without smoking).

28 Sep 2023

New study reveals genetic overlap between schizophrenia and cardiovascular disease risk factors

New research finds that people with schizophrenia have a genetic propensity to smoking and a reduced genetic risk of obesity.

27 Sep 2023

E-cigarettes not a gateway to smoking, may even speed its decline, says new study

New study led by Queen Mary University of London finds no evidence that e-cigarettes act as a gateway to smoking at the population level. The research also suggests that alternative nicotine products may be competing against cigarettes, potentially accelerating the decline in smoking, although more data is needed for confirmation.

22 Sep 2023

Study explores the efficacy of smoking interventions in new and expectant fathers

Researchers performed a review to evaluate the efficacy of behavior change interventions for smoking cessation in pregnant couples and new parents using a gendered lens.

20 Sep 2023

Pandemic firearm buyers have higher rates of mental health problems, antisocial behavior, study finds

People who bought firearms during the height of the COVID-19 pandemic have much higher rates of recent suicidal thoughts, self-harm behaviors and intimate partner violence, compared with other firearm owners and people who do not own firearms, a new study suggests.

15 Sep 2023

What drives the willingness to quit cigarette or snus use among young males?

The factors that enhance the willingness of young males to quit snus and cigarette smoking.

15 Sep 2023

Pregnant smokers who use e-cigarettes more likely to quit smoking later in pregnancy

The risks of smoking during pregnancy for both maternal and fetal health are well documented, but only about half of pregnant people quit smoking on their own.

13 Sep 2023

Smoking can accelerate the process of aging, study shows

A study of nearly 500,000 people has shown that smoking shortens the end fragments of chromosomes in the white blood cells of our immune systems.

12 Sep 2023

Vaping e-cigarettes can be as harmful to gum and oral health as smoking traditional cigarettes

For years, it has been known that smoking can contribute to serious damage on gum and oral health, with smokers having more gum diseases, more tooth loss, and increased levels of oral cancer.

7 Sep 2023

Can e-cigarette use cause asthma?

Using e-cigarettes can significantly increase the risk of asthma.

5 Sep 2023

Vagus nerve stimulation shows mixed results in lowering stress hormone aldosterone

The study explored the effects of acute transcutaneous vagus nerve stimulation (tVNS) on serum aldosterone levels in both younger and older adults. While active tVNS did lead to a reduction in aldosterone levels, the changes were not significantly different from those observed in sham treatments, with aldosterone levels also varying based on age and sex.

4 Sep 2023

Study reveals biological mechanism behind the impact of fathers' early teenage smoking on offspring

A new study suggests boys who smoke in their early teens risk damaging the genes of their future children, increasing their chances of developing asthma, obesity and low lung function.

30 Aug 2023

Smoking linked to increased risk of depression, bipolar disorder

Most of us know that smoking is unhealthy. Cigarette packets display shocking picture warnings of diseased lungs and rotting teeth. And we often hear in the media about how smoking can cause all sorts of cancer.

30 Aug 2023

Early smoking linked to higher nicotine dependency, even in young adults

Researchers urge governments to raise the legal age to purchase cigarettes to 22 years or higher as study finds it becomes less addictive and easier to quit as people get older. The research is presented at ESC Congress 2023.

25 Aug 2023

Integrating tobacco cessation care into lung cancer screening improves quit rates

Lung cancer is the deadliest cancer in the United States, and 80% of lung cancer deaths are linked to one risk factor: smoking.

25 Aug 2023

A frontal brain region may be a potential biomarker for the early stages of nicotine addiction

Researchers examined the association of gray matter volume in initiating and sustaining smoking behavior among young adolescents.

21 Aug 2023

E-cigarette usage nudges people toward quitting smoking, study shows

E-cigarettes do have value as a smoking cessation aid, according to a new study just released by a team of MUSC Hollings Cancer Center researchers.

18 Aug 2023

Predicting risk of cardiovascular events with Life's Essential 8 scores

Researchers determine the relationship between LE8 scores and cardiovascular disease, subtype CVD events, and all-cause mortality.