by Oxford University Press Credit: Unsplash/CC0 Public Domain A paper in Nicotine & Tobacco Research indicates that different nicotine pouches, which have become very popular in recent years, particularly among young people, may influence user preferences very differently. An investigation using rats finds some flavors lead to much more nicotine consumption than others. The paper is titled “Effects...
Tag: <span>nicotine</span>
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Overcoming nicotine withdrawal: Clues found in neural mechanisms of the brain
by National Research Council of Science and Technology (Left) Nicotine withdrawal reduces nicotinic receptor activity, leading to a relative increase in muscarinic receptor activity and disrupting acetylcholine signaling balance.(Right) Suppressing striatal cholinergic interneurons or administering the muscarinic antagonist Procyclidine reduces acetylcholine release or inhibits muscarinic receptors. This action restores the balance of acetylcholine signaling by reducing...
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Study finds pod-based e-cigarettes with higher nicotine more likely to cause irregular heartbeat
by University of Louisvillevaping Credit: CC0 Public Domain With the start of a new year, smokers and vapers may have resolved to quit or cut back on the habit to improve their health. They may want to use caution, however, if their strategy involves switching from cigarettes to e-cigarettes, considered by some to be a...
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National survey indicates more young adults begin nicotine use with vaping, not cigarettes
by Medical University of South Carolina Credit: CC0 Public Domain Young adults are now more likely to vape than to use traditional cigarettes. After years of public health success in decreasing the numbers of people using cigarettes, researchers are seeing striking increases in the numbers of young people who use e-cigarettes regularly—so much so that, for...
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Nicotine promotes breast cancer lung metastasis, finds study
Reviewed by Emily Henderson, B.Sc. Jan 21 2021 Breast cancer is the second most common cancer among women in the United States, and cigarette smoking is associated with a higher incidence of breast cancer spread, or metastasis, lowering the survival rate by 33% at diagnosis. While cigarette smoking’s link to cancer is well-known, the role...
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Groundbreaking research could provide key to kicking smoking habit for good
by Erin Flynn, Western Michigan University Dr. Ricky Stull. Credit: Western Michigan University Quitting smoking tops many New Year’s resolution lists, but a nicotine addiction is hard to curb. “People try to go cold turkey all the time. The problem is that there are withdrawal symptoms,” says Dr. Ricky Stull, assistant professor of chemistry at Western Michigan...
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There’s no place like home: Cleaning toxic tobacco smoke residue in our homes
SAN DIEGO STATE UNIVERSITY San Diego, CA – The COVID-19 pandemic has created a number of challenges, including that many are spending more time at home than ever before. This is a significant problem for those with neighbors who smoke. Smoking continues to be a problem in multi-unit housing, and while stay-at-home orders have helped...
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New device shows cigarette alternatives may be more hazardous than revealed by manufacturer testing
A more sensitive technique shows cigarette alternatives may be more hazardous than manufacturer testing had found. A technique that can better assess harmful chemicals adds to the analysis toolkit for cigarette alternatives. This pioneering research by KAUST scientists reveals that a tobacco-heating device called “I quit ordinary smoking” (IQOS), emits many more potentially harmful chemicals...
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Brain study finds a molecular “off” switch for nicotine craving
Like any addiction, nicotine dependence warps the brain in elaborate ways—which is why treating it tends not to be as simple as mastering one’s willpower. Even after trying every technique in the toolbox—the support of friends, family, and a great therapist; nicotine patches; prescription drugs—many smokers will sooner or later experience a craving of overpowering...
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Study suggests nicotine exposure alone leads to pulmonary hypertension
by Louisiana State University A study conducted by a team of researchers at LSU Health New Orleans has shown for the first time that chronic exposure to inhaled nicotine alone increases blood pressure (hypertension), in both the body’s general circulation and in the lungs that can lead to pulmonary hypertension. The study also found that...
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