A new study by researchers at the University of California at San Francisco “adds to growing research linking increased social media use to detrimental effects on attention, memory and cognition,” reports the Washington Post: The study followed more than 11,000 U.S. adolescents over a period of five years, with participants first asked about their own social media use at the average age of 12, and surveyed annually through the average age of 16. Researchers found that increases in addictive social media use were followed by rising ADHD one year later — particularly among boys who reported risi