The study highlights a connection between excessive social media use and risky decision making, a common feature of drug addiction
The results mirrored those from other studies showing that people who abuse heroin, cocaine or methamphetamine produce similar outcomes in the gambling task
Scientists have discovered a link between excessive use of social media and drug abuse in a worrying new study.
The study, by researchers from Michigan State University, revealed that people who abuse drugs including cocaine and heroin and more likely to be hooked on social media sites like Facebook or Instagram.
Researchers hope their findings will highlight the 'dark side' of excessive social media use.
Dr Dar Meshi, who led the study, said: "Around one-third of humans on the planet are using social media, and some of these people are displaying maladaptive, excessive use of these sites.
"Our findings will hopefully motivate the field to take social media overuse seriously.”
The study highlights a connection between excessive social media use and risky decision making, a common feature of drug addiction.
Dr Meshi's team first asked 71 participants to take part in a survey designed to measure their psychological dependence on Facebook.
Questions asked about their pre-occupation with the platform, their feelings when unable to use it, attempts to quit the site, and the impact Facebook had on their jobs or studies.
Participants were then asked to take part in the Iowa Gambling Task, a method of assessing decision-making and risky behaviour widely used by psychologists.
The task involves identifying outcome patterns in decks of cards to choose the best possible deck.
The researchers found that the worse people performed by choosing from bad decks, the more excessively they were likely to use social media.
Those who did better at the task were less social media dependent.
The results mirrored those from other studies showing that people who abuse heroin, cocaine or methamphetamine produce similar outcomes in the gambling task.
"Decision making is oftentimes compromised in individuals with substance use disorders," said Dr Meshi.
"They sometimes fail to learn from their mistakes and continue down a path of negative outcomes. But no one previously looked at this behaviour as it relates to excessive social media users, so we investigated this possible parallel between excessive social media users and substance abusers.
"While we didn't test for the cause of poor decision-making, we tested for its correlation with problematic social media use.
"I believe that social media has tremendous benefits for individuals, but there's also a dark side when people can't pull themselves away.
"We need to better understand this drive so we can determine if excessive social media use should be considered an addiction.”
The findings are published in the Journal of Behaviour Addictions.
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