Tag Archive for 'Nicotine'

Sakamaki-Ching et al. demonstrated that acute dermal exposure to thirdhand smoke mimics the harmful effects of cigarette smoking, alters the human plasma proteome, initiates mechanisms of skin inflammatory disease, and elevates urinary biomarkers of oxidative harm. Image credit: Tumisu.

Acute Dermal Exposure to Thirdhand Smoke Can Trigger Skin Diseases, Study Says

Oct 13, 2022 by News Staff

Thirdhand smoke can remain on indoor surfaces indefinitely, causing potentially harmful exposure to both smokers and non-smokers. Acute exposure of the...

Ancient May paneled flask with narrow aperture (top), sculpted flask with narrow aperture (bottom left) and sculpted flask with wide aperture (bottom right). Image credit: Zimmermann et al., doi: 10.1038/s41598-021-81158-y.

Archaeologists Find Traces of Tobacco, Mexican Marigold in Ancient Maya Flasks

Jan 18, 2021 by Enrico de Lazaro

A team of archaeologists from the United States and Mexico have detected mixtures of tobacco and a non-tobacco plant called the Mexican marigold (Tagetes...

Avoid exposure to secondhand smoke regardless of whether the smoker is still in the room. Image credit: Ralf Kunze.

Secondhand Smoke Linked to Hypertension in Never-Smokers

May 6, 2019 by News Staff

A new study by researchers from the Sungkyunkwan University School of Medicine, Korea, showed that secondhand smoke exposure was significantly associated...

Kallupi et al demonstrate the efficacy of enzymatic therapy in treating nicotine addiction in advanced animal models and provide a strong foundation for the development of biological therapies for smoking cessation in humans. Image credit: Diema.

Engineered Enzyme Could Treat Nicotine Addiction

Oct 22, 2018 by News Staff

A team of scientists at the Scripps Research Institute has synthesized a new nicotine-degrading enzyme and successfully tested it in nicotine-dependent...

According to Hancock et al, the new genetic variant highlights the importance of genetically influenced regulation in brain on the risks of nicotine dependence, heavy smoking and consequent lung cancer. Image credit: Martin Buedenbender.

Study Identifies New Gene Variation Associated with Increased Risk of Nicotine Addiction

Oct 12, 2017 by Enrico de Lazaro

Europeans and European/African Americans with a variant of the DNA Methyltransferase 3 Beta (DNMT3B) gene have an increased risk of developing nicotine...

Dr Janda’s team analyzed a nicotine-degrading enzyme, NicA2. Image credit: Song Xue et al.

Nicotine-Eating Bacteria Could One Day Help Smokers Quit

Aug 15, 2015 by News Staff

People who smoke cigarettes know it’s bad for their health, but quitting is difficult. To make it easier, scientists are taking a novel approach –...

The buff-tailed bumblebee (Bombus terrestris). Image credit: Kintaiyo / CC BY 3.0.

Parasite-Infected Bumblebees Use Nectar Nicotine as Self-Medication, Say Scientists

Apr 27, 2015 by News Staff

Bumblebees that have been infected by parasites seek out flowers with nicotine in the nectar, says a group of scientists from Royal Holloway University...

This image shows a bee pollinating a flower of a wild rose.

Nicotine Could Help Bees and Bumblebees Beat Parasites

Feb 19, 2015 by News Staff

Nicotine and other chemicals found in flowers of tobacco and other plants could be the right prescription for diseased bumblebees and bees, says a group...