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Tag: "cigarettes" at biology news

Brain Scan Study of Smokers Reveals Signature of Craving

...moking-related images compared to those who craved cigarettes less. "These findings are exciting because we are...e, methods in which people switch to nicotine-free cigarettes prior to smoking cessation may help extinguish the connection between smoking and the rewarding affe...

Environmental tobacco smoke linked to behavior problems in children and pre-teens

...25 children and pre-teens exposed to at least five cigarettes a day. On average, the children were exposed to approximately 14 cigarettes a day. The children were enrolled in an asthma intervention study. Dr. Yolton included additional ...

Researchers test new way to quit smoking

...dom is that people trying to quit throw away their cigarettes and immediately replace them with a nicotine subst...anged. "Another theory is that the combination of cigarettes with an additional source of nicotine 'saturates' the brain nicotine receptors. Individuals might lo...

New MRI technique shows emphysema in asymptomatic smokers

... disease before signs and symptoms appear. Smoking cigarettes triples the risk of developing the disease. The r...ater than 18 pack-years (equivalent to one pack of cigarettes per day for 18 years) showed significant abnormalities compared to nonsmokers. CT was performed aft...

Global study shows all tobacco bad for the heart

...h relatively low levels of exposure of eight to 10 cigarettes a day doubled their risk of heart attack. Each cig...ng. Light smokers, those who consume fewer than 10 cigarettes a day, benefit the most. They have no excess risk three to five years after quitting. By contrast, m...

Blood test predicts success of quitting smoking using the nicotine patch

...unts of craving and greater difficulty in quitting cigarettes using the nicotine patch. The smokers who partici...also provided information on level of cravings for cigarettes one week after their quit date. "Using the rate of nicotine metabolism, we were able to predict th...

Quitting smoking improves lung function considerably

...tory of over 10-pack-years and smoked more than 10 cigarettes a day. The investigators saw no differences in the baseline physiological characteristics between the smoking group and those who quit. Of the 10 subjects who successfully stopped smoking and completed the six-week study, five used nicotine patches...

Green tea and the 'Asian Paradox'

...ase and cancer in Asia, even though consumption of cigarettes is greater than in most other countries," said Bauer Sumpio, M.D., professor and Chief of Vascular Surgery in the Department of Surgery. "But we now have some theories." Sumpio, the lead author of the review in the Journal of the American College of...

Halving daily cigarette quota has no health benefit

Halving the number of cigarettes smoked every day in the belief that it will stave ...first and second check); moderate smokers (1 to 14 cigarettes daily); reducers (more than 15 cigarettes a day, cut by more than half at the second check); and hea...

Cigarette smoking impedes tendon-to-bone healing

... failure. But little is known about the effects of cigarettes on tendon and ligament healing. There also are ...uivalent to smoking a pack to a pack and a half of cigarettes per day. "So these would have been heavy smokers," Galatz says. "But another significant aspect a...

Brains can recover from alcoholic damage but patients should stop drinking as soon as possible

..., as well as heavy cigarette smokers (more than 10 cigarettes a day), were excluded. Ten healthy volunteers (six men, four women), matched for age and gender, were recruited as controls for the study. The data were analysed and evaluated using FSL, a sophisticated software package developed at the Oxford FMRIB ...

Successful lung cancer surgery not enough to break nicotine dependence in many smokers

...t those smokers who were the last to give up their cigarettes - some on the same day as their operation - and wh...f smoking after surgery. "It wasn’t the number of cigarettes smoked daily that determined who couldn’t quit, but how long they continued to smoke before surgery....

PET imaging shows young smokers quick benefit of quitting

...e reversed quickly if they choose to put out their cigarettes for good, according to a positron emission tomogra...g). The young smokers, who smoked an average of 20 cigarettes a day, agreed to stop for at least six months. Myocardial (heart) blood flow was measured both at re...

Heavy smoking cuts women's chance of pregnancy -- even with donated oocytes

... and June 2005 ?741 in non-heavy smokers (under 10 cigarettes a day) and 44 in heavy smokers (over 10 a day). None of the women's partners were smokers and none of the oocyte donors were heavy smokers. The two groups of recipients were comparable and the number of embryos transferred in each cycle (between one ...

Re-analysis of cigarettes confirms tobacco companies increased addictive nicotine 11 percent

...reanalysis of nicotine yield from major brand name cigarettes sold in Massachusetts from 1997 to 2005 has confir...o but also by modifying several design features of cigarettes to increase the number of puffs per cigarette. The end result is a product that is potentially more ...

New cigarette designs don't offer lower predicted cancer risks

...eted "potentially reduced-exposure product" (PREP) cigarettes is safer. The study, appearing March 16 in the jou... that the predicted risks of lung cancer from PREP cigarettes is not meaningfully lower than for the conventional cigarettes that most smokers puff on every day. ...

Smoking rate has plummeted in New York City

...very year. Because of inflation, the real price of cigarettes has declined by more than 60 cents since the last increase of the tobacco tax in New York in 2002; the time is right for another increase in the cigarette tax.”...

Cigarette smoke alters DNA in sperm, genetic damage could pass to offspring

...nown genes. The “smoking” mice were exposed to two cigarettes per day, the equivalent – based on blood levels of tobacco by-products – of an average human smoker, according to research previously published by one of the study's co-authors. Yauk and her colleagues found that the rate of Ms6-hm mutations in th...

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