Articles with the keyword: 
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. 
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.
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.
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.
jane2007 submitted, created time 7 months 2 weeks (www.nature.com)
There are many smokers thought out the world, so why do some of them delevop lung cancer? Why not others? A new study suggests that, amongst smokers, some people may be as much as 80% more at risk than others thanks to their genes.
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