How genes work together to shape how much you smoke
Take a puff of nicotine for the first time, and your DNA plays an important role, alongside social and environmental factors, in shaping what happens next.
Mar 27, 2024
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Take a puff of nicotine for the first time, and your DNA plays an important role, alongside social and environmental factors, in shaping what happens next.
Mar 27, 2024
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A newly discovered feedback loop involving estrogen may explain why women might become dependent on nicotine more quickly and with less nicotine exposure than men. The research could lead to new treatments for women who are ...
Mar 25, 2024
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In an impressive showing of alliteration, Sen. Chuck Schumer recently described the trending nicotine product Zyn as a "pouch packed with problems" while delivering a warning to parents and calling for a federal investigation ...
Mar 8, 2024
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Flavored nicotine pouches are being promoted to young people on social media platforms such as TikTok and Instagram.
Feb 26, 2024
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In 2022, 14% of high school students and 3% of middle school students reported using e-cigarettes, according to the Centers for Disease Control and Prevention. This is part of a growing trend of adolescents and young adults ...
Feb 20, 2024
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The addition of electronic cigarettes to standard smoking-cessation counseling results in greater abstinence from tobacco use among smokers than smoking-cessation counseling alone, according to a study published in the Feb. ...
Feb 19, 2024
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A new study led by researchers at the Marshall University Joan C. Edwards School of Medicine sheds light on the intricate interplay of brain regions involved in nicotine's effects on the human brain.
Feb 13, 2024
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Sensory changes may be an unexpected side effect of vaping, new University of Otago research shows. The study, carried out in collaboration with the National Institute for Health Innovation and published in the journal Appetite, ...
Feb 13, 2024
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For smokers who are motivated to quit, the quit rate is noninferior for electronic cigarettes (ECs) versus varenicline and is higher for ECs than nicotine replacement therapy (NRT) in the form of nicotine gum, according to ...
Jan 31, 2024
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This year, the Australian government will progressively ban the retail sale of all e-cigarettes, known as vapes. Vapers will only be allowed to use nicotine vapes that comply with Therapeutic Goods Administration (TGA) product ...
Jan 24, 2024
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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. It functions as an antiherbivore chemical with particular specificity to insects; therefore nicotine was widely used as an insecticide in the past, and currently nicotine analogs such as imidacloprid continue to be widely used.
In low concentrations (an average cigarette yields about 1 mg of absorbed nicotine), the substance acts as a stimulant in mammals and is one of the main factors responsible for the dependence-forming properties of tobacco smoking. According to the American Heart Association, "Nicotine addiction has historically been one of the hardest addictions to break." The pharmacological and behavioral characteristics that determine tobacco addiction are similar to those that determine addiction to drugs such as heroin and cocaine. Nicotine content in cigarettes has actually slowly increased over the years, and one study found that there was an average increase of 1.6% per year between the years of 1998 and 2005. This was found for all major market categories of cigarettes.
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