Excess screen time impacting teen mental health
Posted: Fri Aug 13, 2021 5:58 am
...Truly, I think most people, regardless of age, would benefit from putting their screens down for 30 minutes of outside time a day... 
-https://www.uq.edu.au/news/article/2021 ... tal-health10 August 2021
Teens need to regularly switch screen time for physical activity for the sake of their health and mental wellbeing, according to a University of Queensland-led study.
Researchers have linked harmful effects on adolescents’ mental health to screen time exceeding two hours a day for girls and four hours a day for boys.
UQ School of Health and Rehabilitation Sciences researcher Associate Professor Asad Khan said the global study investigated data from more than 577,000 adolescents aged 13 to 15 years across 42 high-income countries.
“We found there were some benefits during the first hour of daily screen use, but detrimental effects of recreational screen use on mental wellbeing kick in after 75 minutes in girls and 105 minutes in boys,” Dr Khan said.
“Excess screen time effects can include depression, obesity, poor quality of life, unhealthy diet and decreased physical and cognitive abilities.
“Whereas regular physical activity can improve physical fitness, cardiometabolic health, bone health, academic performance, executive function, mental health and can reduce weight gain. ...