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.

Study: Nicotine pouch use nearly doubles among U.S. high school students

The use of nicotine pouches - small, easily concealed sachets of nicotine and additives that are placed between the gum and lip - nearly doubled among U.S. high school students between 2023 and 2024, according to a new USC study.

30 Apr 2025

Better sleep, BMI, and glucose control lower female infertility odds

A new study using NHANES data found that higher Life’s Crucial 9 (LC9) scores, reflecting better cardiovascular and mental health, were linked to lower odds of female infertility. However, adding depression to the LE8 framework did not significantly improve its predictive value.

29 Apr 2025

Historic decline in smoking across the United States largely driven by young adults

Researchers at University of California San Diego found that cigarette smoking continues to decline across the United States, largely driven by young adults.

25 Apr 2025

Researchers discover brain pathway to ease nicotine withdrawal

According to the World Health Organization (WHO), over 22% of the global population smokes, with more than 9 million smoking-related deaths reported annually.

25 Apr 2025

Varenicline found to help teens and young adults quit vaping

A new study by investigators from Mass General Brigham showed that teens and young adults who took varenicline-an FDA-approved, twice-daily smoking cessation pill for adults-are more than three times as likely to successfully quit vaping compared to those who received only behavioral counseling. Results are published in JAMA.

23 Apr 2025

Only 13% of French adults have optimal heart health, study finds

Researchers assessed the Life’s Essential 8 cardiovascular health (CVH) scores in over 190,000 French adults, revealing that only 13% had optimal CVH. Higher scores were associated with being younger, female, well-educated, and having healthier lifestyle factors.

21 Apr 2025

New analysis clarified the link between "exclusive" use of e-cigarettes and COPD

A Johns Hopkins Medicine-led analysis of medical information gathered on a diverse group of almost 250,000 people over four years has significantly clarified the link between the "exclusive" use of e-cigarettes and chronic obstructive pulmonary disease (COPD), as well as high blood pressure in a sub-group of adults 30 to 70 years of age.

15 Apr 2025

Smoking places financial strain on disadvantaged households

Disadvantaged households have higher rates of smoking, putting pressure on their household budgets, University of Queensland research has found.

10 Apr 2025

New study seeks best way to support people quitting menthol cigarettes

Nearly half of Americans who smoke use menthol cigarettes that are harder to quit, driving up their health risks with every puff.

9 Apr 2025

Bridging the digital divide to improve heart health for all

The use of technology-based health solutions, such as fitness trackers, smartwatches and mobile health apps, has shown potential to help people improve management of their cardiovascular health.

7 Apr 2025

Late-starters in vaping reach high usage levels more rapidly

A new study has found that young vapers in the United States who begin using e-cigarettes after graduating from secondary/high school are likely to progress rapidly to frequent use.

3 Apr 2025

Only 13% of French adults have optimal heart health—here’s what’s driving the gap

Only 13% of French adults aged 18–69 have optimal cardiovascular health, according to a national study using the American Heart Association’s Life’s Essential 8 (LE8) score. The findings highlight missed prevention opportunities and suggest that modest lifestyle changes could prevent up to 81% of cardiovascular events.

1 Apr 2025

Sticking to Life’s Essential 8 slashes cancer risk, major study shows

Long-term adherence to the American Heart Association’s “Life’s Essential 8” lifestyle score significantly reduces the risk of overall and site-specific cancers. Stable high LE8 scores over four years were linked to notably lower risks of lung, breast, liver, and colorectal cancers in a large Chinese cohort study.

23 Mar 2025

Electronic cigarettes may pose lower cardiovascular risks for people with HIV

Electronic cigarettes use may pose lower cardiovascular risks in people living with HIV compared to tobacco cigarette use, new UCLA-led research shows.

19 Mar 2025

Higher BMI in adolescence worsens genetic risk for high blood pressure, study finds

Adolescent BMI amplifies genetic risk for high blood pressure, with sex-specific differences in how BMI modifies SBP susceptibility in adulthood.

17 Mar 2025

Study finds link between mental health symptoms and increased nicotine use in youth

A recent study led by Emily Hackworth, a 2024 graduate of the Arnold School's Ph.D. in Health Promotion, Education, and Behavior, and co-authors has found that youth (ages 16-19) with internalizing mental health symptoms (e.g., anxiety, depression, sadness loneliness) are more likely to turn to nicotine products (particularly electronic cigarettes) than their peers.

17 Mar 2025

Want to quit smoking? New study shows brain stimulation and exercise can help

A new study finds that combining transcranial direct current stimulation (tDCS) with aerobic exercise significantly reduces cigarette cravings and smoking-related brain activity in chronic smokers. The combination also boosts motivation to quit, offering a promising path for future smoking cessation therapies.

16 Mar 2025

Vaping might cut cigarettes, but won't help smokers quit nicotine for good

A large US study finds daily vaping doesn't boost long-term smoking cessation, and non-daily vaping actively reduces quit rates. E-cigarettes may prolong nicotine dependence rather than aiding smokers to quit.

6 Mar 2025

Research debunks belief that e-cigarettes support smoking cessation

Researchers at the Herbert Wertheim School of Public Health and Human Longevity Science and Moores Cancer Center at University of California San Diego have found that, among smokers in the United States, e-cigarette use does not increase smoking cessation and is actually associated with reduced tobacco abstinence.

5 Mar 2025

Secondhand and thirdhand smoke's effect on pets

If you're a smoker, you probably realize the dangers smoking may pose to your health. But have you ever thought about how the habit affects your pet? According to Food and Drug Administration veterinarian Carmela Stamper, D.V. M., the news is not good.

28 Feb 2025