Behavioral Consult

Screen time and teenagers: Principles for parents


 

The Centers for Disease Control and Prevention recently released results of the most recent Youth Risk Behavior Survey, their once-a-decade survey of youth mental health and risk-taking behaviors. The headlines aren’t good: Self-reported rates of anxiety, depression, suicidal thoughts, and suicide attempts in adolescents have increased substantially from 2011 to 2021. This echoes epidemiologic data showing increasing rates of anxiety and depression over the last decade in 12- to 24-year-olds, but not in older age cohorts.

Dr. Susan D. Swick, physician in chief at Ohana,Center for Child and Adolescent Behavioral Health, Community Hospital of the Monterey (Calif.) Peninsula.

Dr. Susan D. Swick

This trend started well before COVID, coinciding with the explosive growth in use of smartphones, apps, and social media platforms. Facebook launched in 2004, the iPhone in 2007, Instagram in 2010, and TikTok in 2016. A 2018 Pew Research survey of 13- to 17-year-olds found that 97% of them used at least one social media platform and 45% described themselves as online “almost constantly.” Social media does have great potential benefits for adolescents.

We all experienced how it supported relationships during COVID. It can provide supportive networks for teenagers isolated by exclusion, illness, or disability. It can support exploration of esoteric interests, expression of identity, entertainment, and relaxation. But certain children, as was true before social media, seem vulnerable to the bullying, loneliness, isolation, and disengagement that social media may exacerbate.

Dr. Michael S. Jellinek, professor emeritus of psychiatry and pediatrics, Harvard Medical School, Boston

Dr. Michael S. Jellinek

Several studies have shown an association between high daily screen time and adolescent anxiety and depression. These findings have not been consistently duplicated, and those that were could not establish causality. There appears to be a strong link between certain illnesses (ADHD, depression, anorexia nervosa) and excessive screen use, which can in turn worsen symptoms. But it is hard to know which came first or how they are related.

Now, a very large long-term observational study has suggested that there may be critical windows in adolescence (11-13 years in girls and 14-16 in boys and again at 19 years for both) during which time excessive screen time can put that child’s developing mental health at risk. This is nuanced and interesting progress, but you don’t have to wait another decade to offer the families in your practice some common sense guidance when they are asking how to balance their children’s needs to be independent and socially connected (and the fact that smartphones and social media are pervasive) with the risks of overuse. Equipped with these guiding principles, parents can set individualized, flexible ground rules, and adjust them as their children grow into young adults.

First: Know your child

Parents are, of course, the experts on their own child – their talents, interests, challenges, vulnerabilities, and developmental progress. Children with poor impulse control (including those with ADHD) are going to have greater difficulty turning away from highly addictive activities on their devices. Children who are anxious and shy may be prone to avoiding the stress of real-life situations, preferring virtual ones. Children with a history of depression may be vulnerable to relapse if their sleep and exercise routines are disrupted by excessive use. And children with eating disorders are especially vulnerable to the superficial social comparisons and “likes” that Instagram offers. Children with these vulnerabilities will benefit if their parents are aware of and can talk about these vulnerabilities, ideally with their child. They should be prepared to work with their teens to develop strategies that can help them learn how to manage their social media usage. These might include stopping screen use after a certain hour, leaving devices outside of bedrooms at night, and setting up apps that monitor and alert them about excessive use. They might use resources such as the AAP’s Family Media Plan (Media and Children [aap.org]), but simply taking the time to have regular, open, honest conversations about what is known and unknown about the potential risks of social media use is very protective.

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