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Injury shuts off urge to smoke: Stroke damage to site deep in brain eliminates desire, researchers find.
Byline: Michael Stroh
Jan. 26--In a finding that could lead to powerful new treatments for smokers unable to quit, scientists have discovered that people who experienced stroke damage to a prune-sized spot deep within the brain suddenly lost the urge to light up. The research, published today in the journal Science, underscores nicotine's far-reaching grip on a smoker's neural circuitry -- and how much there remains to learn about it. Until now, addiction researchers have largely ignored the brain structure implicated in the study -- a region called the insula.
"It's a really tremendous paper, one that points us in a whole new direction," says Steven Grant, who is chief of the clinical neuroscience branch of the government's National Institute on Drug Abuse and was not involved in the study. "It says: This is a brain area the addiction field needs to focus a lot of attention on." While intentionally inflicting damage to a smoker's brain is…
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Source: HighBeam Research, Injury shuts off urge to smoke: Stroke damage to site deep in brain...
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