Preteens who use increasing amounts of social media perform poorer in reading, vocabulary and memory tests in early adolescence compared to those who use little or no social media. A study published in JAMA examined data from over 6,000 children ages 9 to 10 through early adolescence. Researchers classified the children into three groups: 58% used little or no social media over several years, 37% started with low-level use but spent about an hour daily on social media by…








