What is the "impact" of young people watching "bad videos" on the brain for a long time? Single in... What is the "impact" of young people watching "bad videos" on the brain for a long time? Single in... What is the "impact" of young people watching "bad videos" on the brain for a long time? Single in... What is the "impact" of young people watching "bad videos" on the brain for a long time? Single in... What is the "impact" of young people watching "bad videos" on the brain for a long time? Single in... What is the "impact" of young people watching "bad videos" on the brain for a long time? Single in...