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Tag: "addictive" at biology news

Smokers quit after damage to brain region

...rain. It also raises the possibility that other addictive behaviors may have an equally strong hold on neura...the insula also could cause a person to quit other addictive behaviors. Can a brain lesion cure someone of their bad habits? The answer is not yet known, Bech...

Morphine makes lasting -- and surprising -- change in the brain

.... "We’ve added a new piece to the puzzle of how addictive drugs affect the brain," Kauer said. "We’ve shown here that morphine makes lasting changes in the brain by blocking a mechanism that’s believed to be the key to memory making. So these findings reinforce the notion that addiction is a form of patholo...

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

...n-year period (1998-2005). Nicotine is the primary addictive agent in cigarettes. In addition to confirming th... that manufacturers have the ability to manipulate addictive additives, and, he said, "it underscores the need for continued surveillance of nicotine delivery in...

Brain's reward circuit activity ebbs and flows with a woman's hormonal cycle

...lso shed light on why women are more vulnerable to addictive drugs during the pre-ovulation phase of the cycle." Berman, Drs. Jean-Claude Dreher, Peter Schmidt and colleagues in the NIMH Intramural Research Program report on their functional magnetic resonance imaging (fMRI) study online during the week of ...

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