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15 min reduction in social media use improves mental and physical health



Reducing social media use by 15 minutes a day can significantly improve general health and immune function and reduce levels of loneliness and depression, new research from Swansea University has found.

The study, published in the Journal of Technology in Behavior Science, was conducted by Professor Phil Reed, Tegan Fowkes, and Mariam Khela from the university’s Faculty of Medicine and Health Sciences.

Professor Phil Reed, from Swansea University’s School of Psychology, said:

“These data demonstrate that, when people reduce their social media use, their lives can improve in many ways – including benefits for their physical health and psychological well-being.”

Over a three month period, the team examined the effects on physical health and psychological functioning of getting people to reduce their social media usage by 15 minutes a day.

The outcomes were compared to groups that were not asked to reduce their usage or were explicitly asked to do something other than use social media during those 15 minutes.

A total of 50 participants (33 female and 17 male), aged 20-25, answered monthly questions about their health and psychological function and provided weekly reports on their social media usage.

The results showed that the group asked to reduce their social media use had an average 15 per cent improvement in immune function, including fewer colds, flu, warts, and verrucae, a 50 per cent improvement in sleep quality, and 30 per cent fewer depressive symptoms.

The improvements were significantly greater than that experienced by the other two groups, neither of which showed any changes in those measures.

Participants instructed to reduce their usage ended up doing so by about 40 minutes a day, rather than the 15 minutes requested, whereas there was a daily 10-minute increase for the group asked not to do anything.

Interestingly, the group specifically asked to do something other than social media increased their usage by around 25 minutes a day.

While previous studies have noted a correlation between reduced social media usage and improvements in psychological well-being, this new report shows an experimentally-controlled relationship, which suggests a causal relationship between social media reduction and improved physical health.

Professor Reed said:

“It remains to be established whether the relationship between social media use and health factors is a direct one, or whether changes in well-being variables, such as depression, or other factors, such as an increase in physical activity, mediate it.

The researcher added:

“That the group asked to reduce their usage and do something different did not show these benefits suggests that campaigns to make people healthier could avoid telling people how to use their time. They can resent it.

“Instead, give them the facts, and let them deal with how they make the reduction, rather than telling them to do something more useful – it may not be effective.”

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