The growing reliance on social media and smartphones is once again under scrutiny, as new scientific findings and legal developments raise fresh concerns.
Recent court rulings in the United States have spotlighted the role of major tech companies. In California, a jury found Meta Platforms and Google — specifically through YouTube — partially responsible for a young woman’s addiction, awarding significant damages. In New Mexico, another ruling concluded that Meta harmed children’s mental health, imposing substantial civil penalties.
At the same time, researchers are working to better understand what stepping away from the digital world can actually achieve.
What the research shows
A study published in PNAS Nexus followed 467 participants who blocked mobile internet access on their phones for two weeks. They were still able to make calls and send messages, and could access the internet through other devices.
Researchers focused on smartphones because they are more closely linked to impulsive and habitual use that disrupts daily life.
The results showed a sharp reduction in time spent online — nearly cut in half — along with improvements in mood, attention span, and overall mental well-being.
Notably, the improvement in sustained attention was comparable to reversing about a decade of age-related cognitive decline, according to the authors.
Even small changes help
Importantly, benefits were observed even among participants who did not fully adhere to the detox, suggesting that even partial reduction can be beneficial.
Similar findings were reported in a study by Harvard University, published in JAMA Network Open. In that case, just one week of reduced social media use was linked to lower levels of anxiety, depression, and insomnia in young adults.
Not everyone is affected the same way
Researchers note that the effects vary among individuals. Those who frequently compare themselves to others, struggle with sleep, or use the internet to cope with loneliness appear to be more vulnerable.
Overall, however, the evidence points in one direction: consciously stepping back from constant digital stimulation can act as a reset for the brain.

