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.

FDA commits to advancing two tobacco product standards to reduce disease, death from smoking

Today, the U.S. Food and Drug Administration announced it is committing to advancing two tobacco product standards to significantly reduce disease and death from using combusted tobacco products, the leading cause of preventable death in the U.S.

29 Apr 2021

Study examines smoking behavior after the implementation of California law

Smoking is the leading cause of preventable death in America and causes about 30% of all cancer deaths. That's why researchers with the UC Davis Comprehensive Cancer Center wanted to study the impact of a California law passed in 2016 that raised the tobacco sales age from 18 to 21.

26 Apr 2021

Respiratory symptoms more likely to develop when people use both e-cigarettes and tobacco cigarettes

Exclusively using (or "vaping") e-cigarettes can help people quit smoking, but many people using e-cigarettes to quit smoking continue to smoke cigarettes.

22 Apr 2021

Study casts doubt on promotion of 'Heat not Burn' products as less harmful alternative to cigarettes

The impact on lung cells of Heat not Burn products--a hybrid between traditional cigarettes and electronic vaping devices--may be no less harmful than that of conventional cigarettes, suggest the findings of a small comparative study, published online in the journal Thorax.

22 Apr 2021

Study investigates severe lung injuries among e-cigarette users in rural Appalachia

Just as e-cigarette ingredients can vary from one region to another, the health effects of vaping can have regional characteristics as well. A new study out of West Virginia University suggests that rural e-cigarette users are older--and often get sicker--than their urban counterparts.

20 Apr 2021

Researchers develop a rapid method to assess thirdhand smoke contaminants in household fabrics

A study led by scientists at the University of California, Riverside, has found chemicals in thirdhand smoke, or THS, get extracted more readily from household fabrics in a humid environment than in a dry one.

16 Apr 2021

Experts review new studies on cardiovascular effects of cigarette smoking versus electronic cigarettes

Electronic cigarette (EC) use, or vaping, has both gained incredible popularity and generated tremendous controversy, but although they may be less harmful than tobacco cigarettes (TCs), they have major potential risks that may be underestimated by health authorities, the public, and medical professionals.

13 Apr 2021

Scientists compare DNA damaging properties of chemicals from vape products and cigarettes

Imperial Brands scientists have utilized Toxys' ToxTracker suite of stem-cell based in-vitro assays, which provide mechanistic insight into the potential DNA damaging properties of chemicals, comparing vape e-liquid samples and their aerosols to combustible cigarette smoke.

9 Apr 2021

Study: More than 60% of adult e-cigarette users in the U.S want to quit

More than 60% of U.S. adults who vape are interested in quitting, according to a study published today in JAMA Network Open by MUSC Hollings Cancer Center researchers.

3 Apr 2021

Study shows persisting cognitive benefits of common Alzheimer’s treatment

Cholinesterase inhibitors are a group of drugs recommended for the treatment of Alzheimer's disease, but their effects on cognition have been debated and few studies have investigated their long-term effects.

25 Mar 2021

Smoking cessation therapy for hospitalized patients may help avoid many premature deaths

Smoking cigarettes causes 480,000 premature deaths each year in the United States, due mainly to a two-fold risk of cardiovascular disease and a 20-fold risk of lung cancer. Although smoking rates have declined dramatically, there are currently 35 million smokers in the U.S.

25 Mar 2021

Smoking is highly prevalent among surgery patients, shows study

Over the past 50 years or so, cigarette smoking has transformed from a widespread practice into an isolated activity: Just 14% of American adults reported smoking cigarettes in 2019 compared to over 40% in 1965.

23 Mar 2021

Survey of smokers and vapers in the U.S. during COVID

Researchers at the Massachusetts General Hospital aimed to understand the changes in cigarette and e-cigarette use behaviors among adults in the United States. They found that a third of cigarette smokers and a quarter of vape or e-cigarette users increased their use during the pandemic, mainly due to stress.

22 Mar 2021

Acute exposure of lung tissue to vape aerosol has lesser impact on gene expression than cigarette smoke

A new peer-reviewed study published in the journal Toxicological Research & Application shows acute exposure of a 3D human bronchial tissue model to e-cigarette aerosol has minimal impact on gene expression compared to smoke from combustible cigarettes.

21 Mar 2021

UTSW researchers identify the structure of a key cell-surface protein

UT Southwestern researchers have identified the structure of a key member of a family of proteins called nicotinic acetylcholine receptors in three different shapes.

17 Mar 2021

High-strength nicotine e-cigarettes can help adults with schizophrenia quit smoking

A new study in Nicotine & Tobacco Research, published by Oxford University Press, finds that the use of high-strength nicotine e-cigarettes can help adults with schizophrenia spectrum disorders quit smoking.

16 Mar 2021

A retinal photo may provide early warning signs of stroke and dementia

Pictures of the retina may someday provide early warning signs that a person is at an increased risk of stroke and dementia, making it possible to take preventive measures, according to preliminary research to be presented at the American Stroke Association's International Stroke Conference 2021.

11 Mar 2021

Study highlights the 'clear benefit' of using e-cigarettes daily to quit smoking

A new study published Tuesday 10 March, No Smoking Day, from King's College London highlights the 'clear benefit' of using e-cigarettes daily in order to quit smoking, and supports their effectiveness when compared to other methods of quitting, including nicotine replacement therapy or medication.

10 Mar 2021

Speaking whilst infected with COVID-19 may cause it to spread

News-Medical speaks to Dr. Keiko Ishii about her research efforts during the COVID-19 pandemic and how speaking whilst infected can cause the virus to spread, and why wearing masks is so important.

9 Mar 2021

Researchers find new way to prevent attention deficits associated with Fragile X syndrome

Mount Sinai Researchers find a new way to prevent attention deficits associated with Fragile X, a leading genetic cause of autism, in an animal model.

8 Mar 2021