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Story summary
- University of Milano-Bicocca researchers found that opening a social-media account at age 11-12 lowered math and Italian scores by six months by age 15-16.
- The study of over 5,000 Italian teens, controlling for prior grades and family background, linked frequent phone checking to the performance gap.
- English exam scores showed no gap, which researchers attribute to incidental English exposure on social media, while Australia and France have banned under-16 accounts.
