The Lancet series authors caution that the evidence linking problematic digital media use to health harms is of low certainty and cannot definitively establish cause and effect.

From the articleScale of digital media use and its harmful effects justify action now: The LancetAlso in Social media 'is responsible for 2.8 million years spent depressed', Screen time limits not enough to tackle problematic social media use: experts - National | Globalnews.ca, Digital media can be dangerous. Kids use it anyway. Here’s what parents can do | CNN