Sugar addiction should be treated like drug abuse, new research has revealed.
Scientists have discovered drugs used to treat nicotine addiction could be used to treat sugar addiction.
In the study carried out by Australia’s Queensland University (QUT), it compared the effects of sugar to those of cocaine and likened the symptoms of coming off it to going ‘cold turkey’.
Neuroscientist Professor Selena Bartlett from QUT’s Institute of Health and Biomedical Innovation said the study, which has just been published by international research journal PLOS ONE, shows drugs used to treat nicotine addiction could be used to treat sugar addiction in animals.
“The latest World Health Organisation figures tell us 1.9 billion people worldwide are overweight, with 600 million considered obese,” she said.
“Excess sugar consumption has been proven to contribute directly to weight gain. It has also been shown to repeatedly elevate dopamine levels which control the brain’s reward and pleasure centres in a way that is similar to many drugs of abuse including tobacco, cocaine and morphine.
“After long-term consumption, this leads to the opposite, a reduction in dopamine levels. This leads to higher consumption of sugar to get the same level of reward.
“We have also found that as well as an increased risk of weight gain, animals that maintain high sugar consumption and binge eating into adulthood may also face neurological and psychiatric consequences affecting mood and motivation.
“Our study found that Food and Drug Administration (FDA) approved drugs like varenicline, a prescription medication trading as Champix which treats nicotine addiction, can work the same way when it comes to sugar cravings.”
Her colleague Masroor Shariff said the study also put artificial sweeteners under the spotlight.
“Interestingly, our study also found that artificial sweeteners such as saccharin could produce effects similar to those we obtained with table sugar, highlighting the importance of reevaluating our relationship with sweetened food per se,” said Mr Shariff.
“Like other drugs of abuse, withdrawal from chronic sucrose exposure can result in an imbalance in dopamine levels and be as difficult as going ‘cold turkey’ from them.
“Further studies are required but our results do suggest that current FDA-approved nAChR drugs may represent a novel new treatment strategy to tackle the obesity epidemic.”
It is in contrast to research published in 2014 in an Edinburgh University study which stated sugar addiction was not a biochemical dependency but a psychological one similar to gambling.
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