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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.

E-cigarette use exposes adolescents to potentially cancer-causing chemicals

Adolescents who smoke e-cigarettes are exposed to significant levels of potentially cancer-causing chemicals also found in tobacco cigarettes, even when the e-cigarettes do not contain nicotine, according to a study by UC San Francisco researchers.

14 Mar 2018

Smoking linked to increased risk of hearing loss

Smoking is associated with increased risk of hearing loss, according to a study of over 50,000 participants over 8 years in Nicotine & Tobacco Research, published by Oxford University Press.

14 Mar 2018

New study finds that thirdhand smoke increases lung cancer risk in mice

Researchers at the Department of Energy's Lawrence Berkeley National Laboratory (Berkeley Lab) identified thirdhand smoke, the toxic residues that linger on indoor surfaces and in dust long after a cigarette has been extinguished, as a health hazard nearly 10 years ago.

9 Mar 2018

Researchers seek to discover role of filter ventilation on addictive potential of cigarettes

Would banning ventilated filters on cigarettes protect public health? Scientists from multiple institutions, including a group of addiction neuroscience researchers from the Virginia Tech Carilion Research Institute, are gathering evidence under funding from the National Institutes of Health's National Cancer Institute to potentially inform a U.S. Food and Drug Administration (FDA) decision about whether to recommend design changes to filtered cigarettes.

7 Mar 2018

State-level tobacco control policies likely influence e-cigarette use

States with robust tobacco control policies and regulations, such as smoke free air laws and taxes on cigarettes, not only have fewer cigarette users but also fewer e-cigarette users, according to research from NYU School of Medicine and the NYU College of Global Public Health.

28 Feb 2018

Exposure to toxicants reduces when smokers switch from cigarettes to glo, study reveals

A clinical study conducted by scientists at British American Tobacco have revealed that when smokers switch completely from cigarettes to glo, their exposure to certain cigarette smoke toxicants is significantly reduced, in some cases to levels comparable to those seen in smokers who quit smoking completely.

24 Feb 2018

Study finds tobacco smoke exposure among most adolescents in economically disadvantaged population

Ninety-four percent of adolescents ages 13 to 19 in an economically disadvantaged, largely minority population in San Francisco had measurable levels of a biomarker specific for exposure to tobacco smoke.

23 Feb 2018

Smoking at record lows in New York

New York has successfully achieved a record low rate of smoking with only 14.2 percent of people smoking.

22 Feb 2018

Scientists find significant amounts of toxic metals in e-cigarette vapors

Significant amounts of toxic metals, including lead, leak from some e-cigarette heating coils and are present in the aerosols inhaled by users, according to a study from scientists at Johns Hopkins Bloomberg School of Public Health.

22 Feb 2018

Scientists reveal development of improved medicine to fight addiction

Drug addiction continues to plague vast numbers of people across the world, destroying and ending lives, while attempts to develop more effective pharmaceutical addiction treatments continue.

21 Feb 2018

Scientists explore connection between bad sleep habits and stiff blood vessels

What do bad sleep habits and stiff blood vessels have in common? Nothing good, say scientists exploring what appears to be a direct connection between a circadian clock that isn't working as it should and an enzyme that promotes inflammation working overtime.

20 Feb 2018

NIH releases unparalleled dataset from Adolescent Brain Cognitive Development study

The National Institutes of Health today released to the scientific community an unparalleled dataset from the Adolescent Brain Cognitive Development study. To date, more than 7,500 youth and their families have been recruited for the study, well over half the participant goal.

13 Feb 2018

Symptoms of alcoholism affect prescription drug adherence to treat disease

Symptoms of alcoholism make it more difficult for some people to regularly take the prescription drug naltrexone, which could help treat their disease, a researcher at Oregon State University has found.

8 Feb 2018

Vapors could elevate pneumonia risk, study states

A new study suggests inhaling vapor from e-cigarettes could cause pneumonia-causing bacteria to attach to the cells that line airways.

8 Feb 2018

Adolescents not interested in regular cigarettes more likely to use e-cigarettes

Researchers at the UNC School of Medicine, the UNC Gillings School of Global Public Health, and the UNC Lineberger Comprehensive Cancer Center have found that adolescents who are not susceptible to smoking cigarettes and who thought e-cigarettes were less harmful were more likely to use e-cigarettes.

2 Feb 2018

Exposure to e-cigarette flavors can cause inflammation to white blood cells, research finds

Sugar and spice are not so nice, at least when it comes to vaping or inhalation. Exposure to e-cigarette flavoring chemicals and liquids can cause significant inflammation to monocytes, a type of white blood cell -- and many flavoring compounds are also toxic, with cinnamon, vanilla and buttery flavors among the worst.

30 Jan 2018