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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 reveals low omega-3 intake among pregnant women despite health benefits

Results from a new nationwide cohort study show that, despite strong recommendations in favor of consuming omega-3 fatty acids for optimal pregnancy outcomes and offspring health, 25% of participants reported rarely, or never eating fish during pregnancy, with fewer taking omega-3 supplements.

1 Mar 2024

Cannabis use linked to higher risk of heart attacks and strokes, study warns

A comprehensive study by the University of California links cannabis use to an increased risk of serious cardiovascular events, with higher usage correlating to greater risk, underscoring the need for awareness and caution among users.

29 Feb 2024

Cannabis users may be at higher risk of heart attack and stroke

An analysis of 430,000 adults in the U.S. found that using cannabis, most commonly through smoking, eating or vaporizing it, was significantly associated with a higher risk of heart attack and stroke, even after controlling for tobacco use (combustible cigarettes and other tobacco products) and other cardiovascular risk factors, according to new research published today in the Journal of the American Heart Association, an open access, peer-reviewed journal of the American Heart Association.

28 Feb 2024

Vaping increases susceptibility to COVID-19 infection, study finds

Vapers are susceptible to infection by SARS-CoV-2, the virus that spreads COVID-19 and continues to infect people around the world, a University of California, Riverside, study has found.

26 Feb 2024

Menthol cigarette ban would likely lead to meaningful reduction in smoking rates

A new paper in Nicotine & Tobacco Research, published by Oxford University Press, finds that banning the sale of menthol cigarettes would likely lead to a meaningful reduction in smoking rates.

21 Feb 2024

Association between dietary thiamine consumption and cognitive decline

The impact of thiamine consumption on cognitive function among older adults in China.

21 Feb 2024

Smoking triggers red blood cell death, raising anemia and circulation concerns

Smoking significantly increases suicidal erythrocyte death, potentially leading to anemia and microcirculation issues, despite showing no adverse effects on overall red blood cell indices.

7 Feb 2024

E-cigarette use among US youths climbs, with pandemic years showing slight decline

Study highlights a significant rise in e-cigarette use among US youths from 2013 to 2019, with a slight decline during the pandemic but levels remain high, particularly among older youths and across all demographics.

7 Feb 2024

Expert calls for harm reduction to address drug overdose crisis

With more than 100,000 drug overdose deaths in the United States in one year, communities need more than 'just say no' drug prevention education and abstinence-only addiction treatment to save lives, an expert has warned.

6 Feb 2024

Teen substance use tied to higher rates of depression, anxiety, and suicidal thoughts

High school students who reported using cannabis, alcohol, or nicotine were more likely to have thoughts about suicide, feel depressed or anxious, have unusual experiences, and exhibit inattention or hyperactivity, according to recent survey-based study conducted by researchers at Massachusetts General Hospital (MGH) and the University of Minnesota.

29 Jan 2024

Study urges revamp of vape prevention campaigns for youth

Flinders University researchers say that cohesive and collaborative action from preventive health communicators and organisations is needed to inform young people about the devastating harms of vaping.

24 Jan 2024

More than half of Americans uninformed as heart disease claims top spot again

More than half of people in the U.S. (51%) do not know that heart disease is the leading cause of death in the country, according to a recent Harris Poll survey conducted on behalf of the American Heart Association in November 2023.

24 Jan 2024

Nicotine patches and e-cigarettes in pregnancy: A deep dive into risks and outcomes

Researchers examined the safety of e-cigarettes and nicotine-containing patches during pregnancy.

22 Jan 2024

Nicotine replacement products offer safe quit option for pregnant smokers

A new analysis of trial data on pregnant smokers, led by researchers at Queen Mary University of London, finds that the regular use of nicotine replacement products during pregnancy is not associated with adverse pregnancy events or poor pregnancy outcomes.

17 Jan 2024

Nicotine's surprising effect on gut microbiota and metabolism uncovered

The impact of nicotine exposure on host nutritional status, gut microbial metabolites, and metabolic homeostasis.

15 Jan 2024

A biological signature of desire helps explain the selective nature of pair bonds

Hop in the car to meet your lover for dinner and a flood of dopamine-; the same hormone underlying cravings for sugar, nicotine and cocaine -; likely infuses your brain's reward center, motivating you to brave the traffic to keep that unique bond alive.

12 Jan 2024

Is there a neurobiological association between childhood trauma, alexithymia, and long-term nicotine smoking?

A new study published in JAMA Network Open explores the risk for smoking presented by childhood trauma with subsequent failure of emotional regulation and the neural measures that reflect these risk factors.

11 Jan 2024

Nicotine beliefs elicit dose-response reactions in human brains

Researchers investigate whether nicotine-related beliefs may influence brain processes in a dose-dependent manner similar to pharmaceutical effects.

10 Jan 2024

Do e-health interventions for smoking cessation management work?

Efficacy of e-health interventions for smoking cessation management in smokers.

9 Jan 2024

E-cigarettes more effective for smoking cessation than conventional nicotine-replacement therapy

Nicotine e-cigarettes are more effective in helping people quit smoking than conventional nicotine-replacement therapy (NRT), according to the latest Cochrane review co-led by a University of Massachusetts Amherst public health and health policy researcher.

8 Jan 2024