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.

Smartphone app doubles quit rates among low-income smokers

While smoking rates in the United States have substantially declined over the past six decades, smoking remains high among people with low incomes, leading to health disparities.

14 Aug 2025

Quitting smoking linked to better recovery from drug and alcohol addiction

Adults who smoke cigarettes and are addicted to alcohol or other drugs were more likely to achieve sustained remission of their substance use disorder symptoms if they also quit smoking, according to scientists at the National Institutes of Health (NIH). `

13 Aug 2025

Vaping may be reversing decades of progress against youth smoking

The rise of vaping in youth correlates with increased smoking risk, undermining public health efforts. Study calls for enhanced tobacco control measures.

1 Aug 2025

Flavor bans linked to drop in e-cigarette use but may slow decline in smoking

A new study by investigators from Mass General Brigham examined the effects of policies banning flavored e-cigarettes on adults and young people.

30 Jul 2025

Vaping recreates 1970s smoking uptake rates in UK teens

UK teens who currently vape are as likely to take up smoking as their peers in the 1970s, despite a substantial fall in the prevalence of teenage smoking over the past 50 years, suggests a long term intergenerational study published online in the journal Tobacco Control.

30 Jul 2025

Cannabis and psychedelics rated most effective for symptom relief by eating disorder patients

A pioneering international survey of people living with eating disorders has found that cannabis and psychedelics, such as 'magic mushrooms' or LSD, were best rated as alleviating symptoms by respondents who self-medicated with the non-prescribed drugs.

22 Jul 2025

In utero exposure to vape liquids can alter skull shape during fetal development

In utero exposure to two liquid ingredients in e-cigarettes – minus the nicotine that drives addiction – can alter skull shape during fetal development, a new study in mice has found.

16 Jul 2025

New 3D bio-printed model closely mimics the complexity of natural lung tissue

UBC Okanagan researchers have developed a 3D bio-printed model that closely mimics the complexity of natural lung tissue, an innovation that could transform how scientists study lung disease and develop new treatments.

15 Jul 2025

Targeting brain pathway may ease nicotine withdrawal

Because unpleasant withdrawal symptoms fuel nicotine addiction's high relapse rate, targeting their underlying mechanisms with treatments may promote continued abstinence from the drug.

15 Jul 2025

Nicotine pouches pose growing danger to young children

A new study reveals that ingestions of nicotine pouches by young children have surged in recent years. Researchers at the Center for Injury Research and Policy of the Abigail Wexner Research Institute at Nationwide Children's Hospital and the Central Ohio Poison Center analyzed calls to U.S. poison centers and found an alarming 763% increase in the rate of reported nicotine pouch ingestions among children younger than 6 years old from 2020 to 2023.

14 Jul 2025

AI reveals hidden bias behind higher amputation rates in minority and rural patients

Why do rural adults and racial and ethnic minorities with vascular disease get major leg amputations more often? A new study out today in Epidemiology uses AI to solve the mystery, finding an unaccounted-for factor that researchers think points to implicit bias in the clinical decision-making process.

10 Jul 2025

Improving sleep and lifestyle could reduce heart disease risk in menopausal women

During the menopause transition, only 1 in 5 women have optimal scores using the American Heart Association's health-assessment tool, known as Life's Essential 8 (LE8).

9 Jul 2025

Vaping linked to higher COPD risk, meta-analysis finds

A comprehensive meta-analysis of over 4.3 million adults shows e-cigarette use is associated with significantly higher odds of developing COPD. The risk persists even after adjusting for smoking history, with former users at even greater risk than current users.

8 Jul 2025

Vaping versus smoking’s impact on male fertility

A new study found that male E-cigarette users undergoing IVF had higher sperm motility and lower miscarriage rates compared to conventional smokers. However, E-cigarettes were not shown to be safe and further research is needed before recommending them for fertility.

6 Jul 2025

Adolescent vaping of THC, CBD and synthetic cannabinoids rises sharply between 2021 and 2023

Novel research has revealed that adolescent vaping of current delta-9-tetrahydrocannabinol (THC), cannabidiol (CBD), and synthetic cannabinoids (SCs) has increased between 2021 and 2023.

2 Jul 2025

Friends and social media drive teen vaping trends

Young people with friends who vape are 15 times more likely to use e-cigarettes, and more adolescents are turning to illicit cannabis products, University of Queensland research has found.

1 Jul 2025

Why exercise is key for keeping slim after you quit smoking

Quitting smoking is linked to greater long-term waist circumference gain, but this effect may be due to shared genetics rather than quitting itself. Increased physical activity consistently helped limit waist expansion across all genetic backgrounds.

1 Jul 2025

Quitting smoking in addiction recovery made easier with tailored support

For people recovering from substance use disorders, quitting smoking remains one of the most difficult-but most crucial-steps toward long-term health.

1 Jul 2025

New study reveals health risks from metals in popular disposable e-cigarettes

Brightly colored inexpensive and disposable electronic cigarettes and vapes continue to gain popularity.

25 Jun 2025

Social media content exposure linked to teen vaping and cannabis use

Teens who see social media posts showing cannabis or e-cigarettes, including from friends and influencers, are more likely to later start using those substances or to report using them in the past month, according to surveys done by researchers at the Keck School of Medicine of USC.

24 Jun 2025