Teens Spend an Hour on Their Smartphones at School
https://www.profitableratecpm.com/f4ffsdxe?key=39b1ebce72f3758345b2155c98e6709c
(MedPage Today) — American teenagers may spend more time on their smartphones during school hours than their parents would like, according to data from the Adolescent Brain Cognitive Development (ABCD) study. Among 640 adolescents subjected to passive measures…
