"8th graders who use social media for 10+ hrs/week are 56% more likely to be unhappy"

"A person's momentary happiness increases with low/ moderate Facebook usage" "However, these gains are reversed and actually decline below baseline with heavy usage (>3x/day)" "Risk of unhappiness due to social media use is highest for youngest teens" "8th graders who use social media for 10+ hrs/week are 56% more likely to be unhappy" "Teens who used social media every day are 19% more likely to get less than 7 hours of sleep" "Teens who visit social networking sites every day more likely to feel lonely" "Younger teens (8th graders) who are the most active on social media are also those who are at the greatest risk of developing depression"