Articles with the keyword: 
Do light cigarettes deliver less nicotine to the brain than regular cigarettes?
sea-maid submitted, created time 1 month 3 weeks (esciencenews.com)
For decades now, cigarette makers have marketed so-called light cigarettes — which contain less nicotine than regular smokes — with the implication that they are less harmful to smokers' health. A new UCLA study shows, however, that they deliver nearly as much nicotine to the brain despite having a lower overall nicotine content. 
Monoclonal antibodies come of age, and passive immunity treatments come around
sea-maid submitted, created time 1 month 4 weeks (www.nature.com)
Monoclonal antibodies, antibodies that are made from a single cell line and that bind to a specific part of a specific antigen, are much more precise than polyclonal antibodies, but they are more expensive and difficult to make. However, a new system of isolating antibodies from human patients has been used to create a library of immune proteins. So far, things seem to be going well. This could open the door for what researchers are calling "passive immunity
Where There's Smoke, There's (Genetic) Fire
jerry submitted, created time 4 months 2 days (sciencenow.sciencemag.org)
Peer pressure may push teens to start smoking, but their DNA keeps them hooked on the nicotine buzz into their adult years. So says a new study that finds that people with variations in particular genes are more likely to become addicted if they start smoking during early adolescence. The work may explain why some people find it harder to kick the habit and also underscores the importance of preventing children from smoking in the first place.
Happy thoughts may dampen cravings
sea-maid submitted, created time 4 months 2 weeks (www.newscientist.com)
Want to quit smoking? Next time the urge to light up strikes, think of snow-capped peaks instead of the fleeting pleasure of a white cigarette. That's the conclusion of a new brain study which shows that thinking happy thoughts could help dampen cravings.
Mauricio Delgado, a cognitive neuroscientist at Rutgers University in Newark, New Jersey, and his colleague Elizabeth Phelps of New York University measured the brain activity of 15 volunteers as they played a simple game.
The researchers told their subjects to associate blue cards with a real $4 payoff, and yellow cards with nothing
Impulsivity Linked to Cocaine Addiction
jerry submitted, created time 5 months 1 week (sciencenow.sciencemag.org)
Cocaine addicts are known for being frenetic, but which came first, the behavior or the habit? New research indicates that, at least in rats, it's the behavior that begets addiction. The findings may lead to new approaches for treating addiction.
A Genetic Clue to Quitting Smoking
jerry submitted, created time 5 months 2 weeks (www.time.com)
A blood test may one day be able to predict how a smoker will respond to two popular methods of kicking the habit... Nicotine replacement, like gums and patches, wean the smoker off nicotine gradually, but Zyban, an antidepressant, works to fight nicotine cravings in the person's brain. Some people respond much better to one strategy or the other.
Epilepsy drug may help alcoholics
sea-maid submitted, created time 5 months 3 weeks (www.nature.com)
A drug used to treat epilepsy could also ease cravings in alcoholics, say researchers who have investigated the effect in rats.
Drug taken to stop smoking is linked to traffic mishaps
sea-maid submitted, created time 5 months 4 weeks (www.latimes.com)
A surprising development: the drug that the man in this study had hoped would help turn him into a healthier person instead, he believes, caused an accident in which he could have been seriously hurt, even killed.
Quitting smoking is a pack behavior
sea-maid submitted, created time 5 months 4 weeks (blog.seattlepi.nwsource.com)
Smokers tend to quit in groups, according to a new study. One person who quits can have ripple effects across his or her entire social network, prompting others to kick the habit.
Drug for smokers linked to suicide
jerry submitted, created time 6 months 2 weeks (www.time.com)
Soem doctors have been recommending Chantix to their patients to help them quit smoking. However, Chantix has recently been linked with depression and suicidal behavior.
Stomach hormone turns hungry people into junkies
sea-maid submitted, created time 6 months 2 weeks (www.newscientist.com)
In this paper ,the researchers point out that stomach hormone turns hungry people into junkies.When volunteers received a dose of a natural hunger-inducing hormone called ghrelin, their brains responded to pictures of food in the same way that addicted people's brains do to cigarettes or drugs, says Alain Dagher, a neurologist at McGill University in Montreal, Canada, who led the study.
And the study also tell us that hormone has its stimulant effects and Memory improvement,mood changes.
Compulsive gamblers always down on their luck
kavin submitted, created time 7 months 5 hours (www.eurekalert.org)
According to a study published today in the open access journal Clinical Practice and Epidemiology in Mental Health, gambling addicts don't learn from their mistakes. And it predisposes a person to the development of impulsive or compulsive behaviour, leading to pathological gambling.
Why Some Smokers Get Lung Cancer--And Others Are Spared
sumsung submitted, created time 7 months 1 week (www.sciam.com)
Smoking is the most potent known cause of lung cancer. The question is: Why do some longtime smokers come down with the deadly disease whereas others escape it? New research points to a genetic culprit that also was fingered as upping a person's likelihood of becoming hooked on cigarettes.
Another Promised Way to Stop Drug Addiction?
Sue Wu submitted, created time 7 months 1 week (www.sciam.com)
Study traces what happens in the brain to cause addictive behavior, potentially paving the way for new ways to dry out.
First Common Genetic Clue to Lung Cancer
sumsung submitted, created time 7 months 2 weeks (sciencenow.sciencemag.org)
It's well known that cigarettes can cause lung cancer. A nd yet, some people smoke like a chimney their entire lives and never get the disease. Now a sweeping search for an explanation has yielded a clue: Three studies have found a marker in the same region of DNA that appears to raise the risk of lung cancer. But the researchers disagree on whether the gene involved directly causes lung cancer or does so by influencing how easily people get hooked on tobacco.
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