Nicotine use over time increases the speed that codeine is converted into morphine within the brain, by increasing the amount of a specific enzyme, according to new research in rat models. It appears smokers' brains are being primed for a bigger buzz from this common pain killer -- which could put them at a higher risk for addiction, and possibly even overdose. These findings are part a new way of seeing the brain's role when it comes to drugs and toxins.
Nicotine use over time increases the speed that codeine is converted into morphine within the brain, by increasing the amount of a specific enzyme, according to new research in rat models. It appears smokers' brains are being primed for a bigger buzz from this common pain killer -- which could put them at a higher risk for addiction, and possibly even overdose. These findings are part a new way of seeing the brain's role when it comes to drugs and toxins.
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