Scientists Explain Why Quitting Smoking Is So Hard, and Point to a Solution
Translated from Polish and summarized by DistantNews. Read the original for the full story.
At a glance
- Scientists have identified a potential breakthrough in helping smokers quit by stimulating a specific brain region.
- A study in the 'Journal of Psychiatric Research' suggests that stimulating the brain's self-control area can significantly reduce cigarette consumption.
- This non-invasive technique, transcranial magnetic stimulation (rTMS), showed promising results in reducing cravings and the number of cigarettes smoked.
Groundbreaking research published in the 'Journal of Psychiatric Research' offers a beacon of hope for millions struggling to quit smoking, according to Rzeczpospolita. Scientists have pinpointed a method that could revolutionize addiction treatment by targeting the brain's self-control mechanisms.
In addiction, brain systems can lose balance. One system, associated with reward and nicotine craving, becomes overactive. The other, responsible for control and decision-making, is weakened.
The study, led by Dr. Xingbao Li from the University of South Carolina School of Medicine, challenges the notion that addiction is solely behavioral. It posits that addiction disrupts the brain's delicate balance, hyperactivating reward systems while weakening those responsible for control and decision-making.
Participants who received high-frequency stimulation in the area responsible for self-control reduced their smoking by an average of more than 11 cigarettes per day.
Utilizing non-invasive transcranial magnetic stimulation (rTMS), researchers explored two approaches: strengthening self-control by stimulating the dorsolateral prefrontal cortex (DLPFC) and suppressing reward signals by stimulating the ventromedial prefrontal cortex (mOFC). The results were striking: high-frequency stimulation of the DLPFC led to a significant reduction in smoking โ over 11 cigarettes per day on average โ and decreased nicotine cravings.
The approach aimed at suppressing reward activity did not yield significant improvement in any of these areas.
This scientific advancement is particularly relevant from a Polish perspective, where smoking rates, while declining, remain a public health concern. The potential for a targeted, non-pharmacological intervention like rTMS offers a promising alternative to existing cessation methods. The study's findings underscore the biological underpinnings of addiction and pave the way for more effective, personalized treatments, moving beyond traditional behavioral therapies.
Increased activity in the prefrontal cortex (the brain's control center); Decreased activity in regions associated with reward.
Originally published by Rzeczpospolita in Polish. Translated, summarized, and contextualized automatically by DistantNews, with a note on how the source frames the story. Not individually reviewed before publishing. How this works.