crunching the data on more than 350,000 adolescents, they concluded that smoking marijuana and bullying do far more damage than use of digital technology. Przybylski and his colleague Dr. Netta Weinstein had previously shown that the amount of time spent in front of screens makes a difference in overall impact.5 According to this “Goldilocks hypothesis,” the mental well-being of adolescents does not appear to be harmed if they’re spending one to two hours per day in front of screens, but much more than that can be detrimental. Interestingly, kids with zero screen time seemed worse off than
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