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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.

Compared perceptions of oral nicotine pouches and smokeless tobacco among young adults

Researchers survey young individuals in the United States about their awareness/use of and susceptibility to nicotine pouches.

5 Feb 2023

Machine learning identifies drugs that could be repurposed to help people quit smoking cigarettes

Medications like dextromethorphan, used to treat coughs caused by cold and flu, could potentially be repurposed to help people quit smoking cigarettes, according to a study by Penn State College of Medicine and University of Minnesota researchers.

30 Jan 2023

Public health experts draft recommendations to help prevent vaping product use-associated lung injury

Nearly four years ago, federal health officials reported on a frightening new epidemic linked to e-cigarette use that caused a life-threatening and potentially irreversible lung condition.

25 Jan 2023

Study: 12-hour gene expression rhythms are missing or altered in schizophrenic brains

Researchers at the University of Pittsburgh School of Medicine, U.S. present the first evidence of 12-hour cycles of gene activity in the human brain. Publishing in the open access journal PLOS Biology on January 24th, the study led by Madeline R. Scott also reveals that some of those 12-hour rhythms are missing or altered in the postmortem brains of patients with schizophrenia.

24 Jan 2023

Smoking during pregnancy reduces childhood brain growth in very preterm babies

Women who smoke during pregnancy have been found to run the risk of injuring brain development in their babies. A new study extends this finding to adolescent brain growth.

24 Jan 2023

Heart Foundation calls for regulatory actions to better protect Australians from e-cigarettes

The Heart Foundation is calling for a range of much-needed regulatory actions to better protect Australians from the harmful effects of e-cigarettes.

17 Jan 2023

Experts seek to understand risks associated with vaping and e-cigarettes

E-cigarette or vaping product use–associated lung injury (EVALI) is a severe pulmonary illness caused by using e-cigarettes or vaping products. In the United States, in 2018, an alarming 25% of youth adopted e-cigarettes, with the overall number being more than 13 million individuals.

4 Jan 2023

Study: Nicotine vaping has become common among teens in 2022

Nicotine vaping is one of the most common types of substance use for teenagers in 2022, according to results from a national study released today.

15 Dec 2022

Adults who smoke cigarettes and vape more likely to continue dual use over the long term

Most adults who both smoke cigarettes and vape are likely to carry on smoking or continue dual use over the long term, suggests research published online in the journal Tobacco Control.

14 Dec 2022

Vaping may negatively affect pulmonary surfactant in the lungs, study shows

A recently published preclinical study by researchers at Lawson Health Research Institute and Western University's Schulich School of Medicine & Dentistry, show that vaping may negatively affect pulmonary surfactant in the lungs.

14 Dec 2022

How vaping impacts alveolar macrophage lipid content

The use of e-cigs increases the risk of acute respiratory syndrome.

11 Dec 2022

Study reveals the presence of metal particles in cannabis vape liquids

Vaping can lead to exposure to metals, with lead levels exceeding tolerance limits in most of the analyzed samples.

9 Dec 2022

Artificial sweetener linked to anxiety-like behavior in mice

Florida State University College of Medicine researchers have linked aspartame, an artificial sweetener found in nearly 5,000 diet foods and drinks, to anxiety-like behavior in mice.

8 Dec 2022

Study shows addiction potential and health risks of alternatives to menthol cigarettes

The U.S. Food and Drug Administration (FDA) should extend the ban on menthol flavored cigarettes and cigars to include potential substitutes like menthol pipe tobacco and cigarette tubes, say researchers at Rutgers Center for Tobacco Studies and The Ohio State University.

5 Dec 2022