This article concludes that short negative morning affects in the case affect the degree to which adolescents use their phones and potentially social media. In this case, one's mood or prior history of symptoms of mental health issues predict one's future social media use, not the other way around^[1]

In cases of mental health issues, children under 16 might turn to social media and heavy phone use for a brief dopamine/mood boost, eventually leading to addiction and worsened symptoms.