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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.

Global study analyzes the prevalence of vaping among young people

In a study published in Addiction that analyzed 2015–2018 information from 47 countries, approximately 1 in 12, or 8.6%, of adolescents reported vaping in the past 30 days.

16 May 2022

Tobacco tax may be associated with higher e-cigarette use among young people

Globally, most adolescents who experiment with vaping don't develop an addiction, but the way tobacco products were taxed may be linked with higher e-cigarette use among young people, according to new University of Queensland research.

12 May 2022

Study estimates effectiveness of 2-dose and 3-dose mRNA vaccination against Omicron

In a recent study posted to the medRxiv* preprint server, researchers estimated the efficacy of two-dose and three-dose regimens of two messenger ribonucleic acid (mRNA) vaccines: Moderna’s mRNA-1273 and Pfizer-BioNTech’s BNT162b2 against coronavirus disease 2019 (COVID-19) caused due to the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant.

12 May 2022

Effective anti-vaping advertisements can have the greatest impact on teens

Effective anti-vaping advertisements geared to teens have the greatest impact when they emphasize the adverse consequences and harms of vaping e-cigarettes, use negative imagery, and avoid memes, hashtags and other "teen-centric" communication styles, according to a first-of-its-kind study by researchers at UNC Lineberger Comprehensive Cancer Center.

10 May 2022

Combined use of traditional cigarettes and e-cigarettes does not reduce cardiovascular disease risk

People who use both traditional (combustible) cigarettes and e-cigarettes do not reduce their risk of cardiovascular disease compared to people who exclusively use traditional cigarettes, according to new research published today in the American Heart Association's flagship, peer-reviewed journal Circulation.

6 May 2022

Analysis finds reductions in cigarette use among people with major depression, substance use disorder

Significant reductions in cigarette use were found among U.S. adults with major depression, substance use disorder, or both from 2006 to 2019, according to a new analysis of nationally representative survey data published today in JAMA.

26 Apr 2022

Researchers identify 16 distinct cell populations in a key brain region for substance use disorders

In a work of systematic biology that advances the field, University of Alabama at Birmingham researchers have identified 16 distinct cell populations in a complex area of the midbrain called the ventral tegmental area, or VTA.

18 Apr 2022

Pod-based e-cigarette use alters the inflammatory state across multiple organ systems

Researchers at University of California San Diego School of Medicine report that daily use of pod-based e-cigarettes alters the inflammatory state across multiple organ systems including the brain, heart, lungs and colon. Effects also vary depending on the e-cigarette flavor, and can influence how organs respond to infections, such as SARS-CoV-2.

13 Apr 2022

Tobacco use increased in smokers trying to quit during COVID-19, study finds

While smoking rates have declined dramatically in the United States, there are still 35 million smokers. There are few data about whether, and if so, how current cigarette smoking habits among those trying to quit are affected by the COVID-19 pandemic.

11 Apr 2022

Aromatic amines in pets' stool could be a sign of health issues for humans

Dogs and cats may be exposed in their homes to a potentially toxic group of chemicals, with their discovery in the pets' stool being a sign of health issues for humans living with them, a new study shows.

31 Mar 2022

FDA requests nearly 34% increase in funding as part of the President’s fiscal year 2023 budget

Today, the U.S. Food and Drug Administration announced it is requesting a total budget of $8.4 billion as part of the President's fiscal year (FY) 2023 budget - a nearly 34% ($2.1 billion) increase over the agency's FY 2022 appropriated funding level for investments in critical public health modernization, core food safety and medical product safety programs and other vital public health infrastructure.

29 Mar 2022

Money flows into addiction tech, but will it curb soaring opioid overdose deaths?

David Sarabia had already sold two startups by age 26 and was sitting on enough money to never have to work another day in his life.

21 Mar 2022

KHN’s ‘What the Health?’: Congress shelves covid funding for now

Congress is moving toward completion of its annual spending bills for the fiscal year that started last October, but a last-minute snag jettisoned from the bill the Biden administration's requested funding for covid prevention and treatment.

10 Mar 2022

Combination treatment could benefit smokers who also drink heavily

One in five people who smoke also drink heavily, but they show worse outcomes than non-heavy drinkers in quitting smoking and are often excluded from smoking cessation trials.

4 Mar 2022

Study illustrates the link between e-cigarette use and increased odds of prediabetes

An analysis of data from a large, nationally representative survey of the US population shows that e-cigarette use is associated with increased odds of prediabetes.

3 Mar 2022

Vapers, hookah smokers may expose the nose and sinuses to more emissions than cigarette smokers

People who smoke e-cigarette and hookah are more than twice as likely to exhale particles through their nose compared with people who smoke cigarettes, who favor exhaling the emissions from their mouth, a new study shows.

1 Mar 2022

Maladaptive coping strategies may contribute to decreased sleep quality

Most patients with sleep problems adopt maladaptive coping strategies – such as taking sleep aids, using caffeine, and taking daytime naps – that may actually contribute to decreased sleep quality, reports a study in The Nurse Practitioner.

25 Feb 2022

New studies highlight how e-cigarettes may be contributing to gum disease

A series of new studies by researchers at NYU College of Dentistry highlights how e-cigarettes alter oral health and may be contributing to gum disease.

22 Feb 2022

Vaping has significant cardiovascular effect on adolescent males but not females, mouse study finds

A new study by researchers at The Ohio State University College of Medicine gives insight into what happens to the cardiovascular system of adolescents when they vape.

21 Feb 2022

New research shines light on mysterious dynamics that define the interplay between nerves and muscle

New research co-led by a University of Ottawa Faculty of Medicine professor is shedding light on some of the mysterious dynamics that define the interplay between nerves and muscle.

17 Feb 2022