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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.

Vaping twice as good as gum for quitting smoking finds study

A new study has revealed that using e-cigarettes are twice as effective as chewing nicotine containing gum or using nicotine skin patches in quitting smoking. The results of the study were published in the latest issue of the New England Journal of Medicine (NEJM).

31 Jan 2019

E-cigarettes are almost twice as effective as nicotine replacement treatments, shows new study

E-cigarettes are almost twice as effective as nicotine replacement treatments, such as patches and gum, at helping smokers to quit, according to a clinical trial led by Queen Mary University of London.

30 Jan 2019

Use of e-cigarettes increases risk of stroke, heart attack, coronary heart disease

Using e-cigarettes increases your odds of having a stroke, heart attack and coronary heart disease, according to preliminary research to be presented in Honolulu at the American Stroke Association's International Stroke Conference 2019, a world premier meeting for researchers and clinicians dedicated to the science and treatment of cerebrovascular disease.

30 Jan 2019

Gender-specific smoking cessation strategies may improve quit outcomes in women

Gender matters when it comes to smoking cessation. Women are 31 percent less likely to quit smoking successfully, according to the National Institute of Drug Abuse, in part because nicotine replacement therapy is thought to be more effective in male smokers.

25 Jan 2019

Low-level cannabis use can change the adolescent brain

Teenagers who report using recreational marijuana just once or twice display increased volume of numerous brain regions, according to a study of 14-year-olds from Ireland, England, France, and Germany.

From Society for Neuroscience 16 Jan 2019

Study examines neural mechanisms underlying smoking and drinking

Academics at the University of Warwick have found that low functional connectivity of the lateral orbitofrontal cortex that is associated with the tendency to smoke is associated with increased impulsiveness - which may contribute to the tendency to smoke.

8 Jan 2019

Higher levels of nicotine may help quit smoking, research suggests

Allowing smokers to determine their nicotine intake while they are trying to quit is likely to help them kick the habit, according to an early study in 50 people led by Queen Mary University of London.

2 Jan 2019

Reducing alcohol use could help quit daily smoking habit

If quitting smoking is one of your New Year's resolutions, you might want to consider cutting back on your drinking, too.

28 Dec 2018

Vaping surges among American teenagers says new report

A latest report finds that United States teenagers are increasingly using e-cigarettes also known as vapes. These electronic cigarettes were initially targeted towards adults who were willing to quit smoking.

19 Dec 2018

Young children in low-income, rural areas at higher risk for second- and third-hand smoke exposure

Infants and toddlers in low-income, rural areas may be at higher risk for second- and third-hand smoke than previously reported, according to new Penn State-led research.

18 Dec 2018

America's teens report dramatic increase in their use of vaping devices in just one year

America's teens report a dramatic increase in their use of vaping devices in just a single year, with 37.3 percent of 12th graders reporting "any vaping" in the past 12 months, compared to just 27.8 percent in 2017.

17 Dec 2018

Study reveals urban and rural differences in prenatal exposure to essential and toxic elements

New findings from a team of Marshall University Joan C. Edwards School of Medicine researchers reveal urban and rural differences in prenatal exposure to essential and toxic elements.

13 Dec 2018

Vitamin C supplementation for pregnant smokers may reduce harm to infants’ lungs

Vitamin C may reduce the harm done to lungs in infants born to mothers who smoke during their pregnancy, according to a randomized, controlled trial published online in the American Thoracic Society’s American Journal of Respiratory and Critical Care Medicine.

11 Dec 2018

CEASE intervention enhances delivery of smoking cessation assistance for breastfeeding mothers

A study led by MassGeneral Hospital for Children researchers demonstrates that an MGHfC-developed program designed to help the parents of pediatric patients quit smoking can increase the provision of such assistance to breastfeeding mothers.

5 Dec 2018

Retailers in low-income communities sell most risky alternative tobacco products

Retailers in minority and low-income communities are more likely to sell and advertise the most inexpensive and risky alternative tobacco products, according to a new study conducted at Columbia University Mailman School of Public Health.

3 Dec 2018

Sons of fathers who smoke have 51% lower sperm count

Studies have repeatedly linked maternal smoking during pregnancy with reduced sperm counts in male offspring. Now a research team at Lund University in Sweden has discovered that, independently of nicotine exposure from the mother, men whose fathers smoked at the time of pregnancy had half as many sperm as those with non-smoking fathers.

22 Nov 2018

Brain imaging study reveals 'hot spot' for cue-reactivity in substance users

When patients with dependence on alcohol, cocaine or nicotine are shown drug cues, or images related to the substance, an area of their brain known as the medial prefrontal cortex shows increased activity, report investigators at the Medical University of South Carolina in an article published online September 7, 2018 in Translational Psychiatry.

21 Nov 2018

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