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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.

Pregnant women's fish and omega-3 supplement intake falls short, study finds

Study reveals that despite the benefits, only a quarter of pregnant women regularly consume fish, and just 16% take omega-3 supplements, with usage influenced by demographic and health factors.

6 Mar 2024

Prenatal exposure to nicotine could increase risk of behavioral disorders in newborns, study finds

Although several studies have linked smoking during pregnancy with neurodevelopmental disorders, the results of behavioral experiments in mice prenatally exposed to nicotine have been inconsistent.

5 Mar 2024

Eating live microbe-rich foods linked to better heart health

Study reveals consuming foods rich in live microorganisms can improve cardiovascular health among US adults, suggesting a beneficial link between diet and heart health markers.

4 Mar 2024

Researchers find differences in how people with impulse control disorder process consequences

Parkinson's disease is a neurological disorder that affects movement and muscle control. One characteristic of the disease is the deficiency of dopamine, a neurotransmitter or brain chemical that plays a role in movement and can impact how people think and feel.

4 Mar 2024

Exploring the epigenetic impact of smoking across racial and ethnic groups

Smoking changes the way genes are expressed, which later contributes to the development of lung cancer and other smoking-related illnesses.

1 Mar 2024

UCL study highlights misconceptions about vaping risks among English smokers

More than half of smokers in England wrongly believe that vaping is more harmful or as harmful as smoking, according to a new study led by UCL (University College London) researchers.

1 Mar 2024

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