ISTOCK, LJUBAPHOTO
Vaping Damages Immune Cells, Researchers Find
Vaping Damages Immune Cells, Researchers Find
A small, in vitro study concludes that e-cigarette vapor harms macrophages taken from human lung tissue.
Vaping Damages Immune Cells, Researchers Find
Vaping Damages Immune Cells, Researchers Find

A small, in vitro study concludes that e-cigarette vapor harms macrophages taken from human lung tissue.

A small, in vitro study concludes that e-cigarette vapor harms macrophages taken from human lung tissue.

cigarette smoking
Study: Vaping Causes DNA Damage in Human Cells and Mice
Study: Vaping Causes DNA Damage in Human Cells and Mice
Ashley Yeager | Jan 30, 2018
New findings suggest that nicotine inhaled from e-cigarettes could contribute to cancer and heart disease, but critics warn that the data are too preliminary to draw such conclusions.
Swapping Cigarettes for Vaping
Swapping Cigarettes for Vaping
Aggie Mika | Oct 19, 2017
New evidence suggests e-cigarettes are not without risks to human health, but can be useful in getting people to kick their smoking habit.
Fingerprints of Ongoing Human Evolution Found
Fingerprints of Ongoing Human Evolution Found
Shawna Williams | Sep 5, 2017
Genetic variants in Alzheimer’s- and smoking-related genes appear to be under selection pressure, according to a study comparing the genomes of old and young participants.
Smoking on a Chip
Smoking on a Chip
The Scientist Staff | Aug 31, 2017
A new device from the Wyss Institute at Harvard University simulates the effects of cigarette smoke on human lungs.
Smoking-Linked Cancer Mutations Mapped
Smoking-Linked Cancer Mutations Mapped
Anna Azvolinsky | Nov 3, 2016
Scientists produce a detailed genomic map of mutations and epigenetic changes associated with smoking tobacco across 17 tumor types. 
Study: Genetic Tests Don’t Change Behavior
Study: Genetic Tests Don’t Change Behavior
Jef Akst | Mar 17, 2016
Knowing one’s genetic risk for particular diseases doesn’t encourage behavior modifications, according to a study.
Bacterial Enzyme an Antismoking Aid?
Bacterial Enzyme an Antismoking Aid?
Jef Akst | Aug 10, 2015
A compound that degrades nicotine before it reaches the brain could serve as a successful smoking cessation therapy, according to an in vitro study.
Speaking of Science
Speaking of Science
The Scientist Staff | Apr 1, 2015
April 2015's selection of notable quotes
Focus on Sex
Focus on Sex
Molly Sharlach | Dec 28, 2014
In 2014, new research findings and guidelines brought increased attention to biological differences between males and females.
Vanishing Y Chromosomes
Vanishing Y Chromosomes
Molly Sharlach | Dec 4, 2014
A new study reveals an association between smoking and rates of Y chromosome loss in blood cells, which may explain elevated cancer risk among male smokers.
Sniff While You Sleep
Sniff While You Sleep
Molly Sharlach | Nov 14, 2014
Smokers light up less after smelling cigarette smoke together with foul odors during sleep, a study shows.
AACR Releases Tobacco Report
AACR Releases Tobacco Report
Jef Akst | Apr 7, 2014
Researchers and regulators reflect on the progress that has been made in preventing tobacco-related disease in the 50 years since the publication of the first U.S. Surgeon General’s report. 
Brain’s Nicotine Center Found
Brain’s Nicotine Center Found
Bob Grant | Nov 15, 2013
Researchers pinpoint the interpeduncular nucleus as the home of nicotine withdrawal, suggesting that treatments targeted to region may aid smoking cessation.
Smoking, Taxes, and Genes
Smoking, Taxes, and Genes
Bob Grant | Dec 14, 2012
New research suggests that some smokers may carry a gene variant that makes them less likely to quit simply because cigarette taxes are raised.
Marlboro Chicks
Marlboro Chicks
Beth Marie Mole | Dec 5, 2012
Two species of songbirds pack their nests with scavenged cigarette butts that repel irksome parasites.
Dangers of Second-Generation Smoke
Dangers of Second-Generation Smoke
Beth Marie Mole | Nov 4, 2012
Nicotine leaves epigenetic marks on the rat genome that make offspring and grand-offspring more prone to asthma.  
Roundup from Microbiology Meeting
Edyta Zielinska | Jun 21, 2012
Some of the interesting stories researchers were discussing at this year’s American Society of Microbiology meeting in San Francisco.
Cigarette Smoking Leads to Coke?
Jef Akst | Nov 4, 2011
Nicotine may alter the brain’s response to cocaine, supporting the idea that the legal drug may serve as a "gateway" to the use of illegal substances.
Tobacco Company Versus Academia
Cristina Luiggi | Sep 6, 2011
The makers of Marlboro cigarettes are asking researchers at a Scottish university to disclose data on children’s thoughts on tobacco marketing.