By Camron Dowlatshahi, MSD Lawyers
For years, concerns about social media were largely framed as a matter of personal responsibility: Parents could limit screen time, teenagers could put down their phones, and users could simply log off. That framing is changing as research, litigation and government action increasingly examine whether platform design itself can contribute to harm.
That shift is already visible in the courts. On Aug. 10, 2026, a U.S. appeals court allowed more than 3,000 lawsuits against Meta, Google’s YouTube, TikTok parent ByteDance and Snap to proceed over allegations that their platforms were designed to be addictive to young users, according to MSD Lawyers .
The ruling does not establish liability. It allows claims involving alleged addictive design, warnings and youth harms to proceed while researchers and policymakers continue examining the public-health implications.
Meanwhile, on August 26, 2026, a bipartisan coalition of 51 attorneys general from across the U.S. announced a proposed settlement resolving a lawsuit against Meta over allegedly harmful, compulsive-use-driving features on Instagram and Facebook that it deployed while misleading users and the public about the risks to youth mental health. Trial had begun August 18 in the Northern District of California before the deal was reached. The settlement includes injunctive relief such as default daily time limits, overnight use blocks, parental controls, age verification measures, and independent compliance auditing, plus up to $17 billion in payments to states over ten years.
Why Researchers Are Calling Social Media Addiction a Public Health Issue
“Social media addiction” is not a universally accepted medical diagnosis. Researchers often use problematic social media use to describe compulsive or difficult-to-control use that continues despite negative consequences.
Researchers are examining whether engagement-driven features including personalized recommendations, notifications, infinite scrolling and social feedback can encourage prolonged use. Studies have also investigated similarities between problematic social media use and behavioral addictions involving reward and self-regulation.
While ocial media can provide connection, creativity and support, researchers continue to debate terminology and causation. The concern is not that all social media use is harmful, but whether certain products and patterns of use create meaningful risks.
The Mental Health Concerns Driving National Attention
Research has examined associations between heavy or problematic social media use and anxiety, depression, loneliness, body-image concerns and sleep disruption. Teenage girls have received particular attention because they report some negative experiences at higher rates than boys.
In a 2025 Pew Research Center survey of U.S. teens, 25% of teen girls said social media hurt their mental health, compared with 14% of teen boys.
The U.S. Surgeon General reports that adolescents spending more than three hours a day on social media face twice the risk of experiencing mental-health problems, including symptoms of depression and anxiety. The advisory also reports that 46% of adolescents ages 13 to 17 said social media made them feel worse about their body image.
Cyberbullying, social comparison and sleep disruption remain areas of concern. But these findings generally demonstrate associations, not universal causation. Adolescent mental health is influenced by family, school, socioeconomic circumstances and other factors.
How Much Time Are Americans Spending on Social Media?
The scale of exposure has intensified the debate. The Surgeon General reported that up to 95% of 13- to 17-year-olds use a social media platform, with roughly one-third reporting almost-constant use.
More recent Pew research found that 45% of teens said they spend too much time on social media, up from 36% in 2022. A separate 2025 Pew survey found roughly one in five teens use TikTok and YouTube almost constantly.
The issue is therefore not simply whether young people use social media, but how frequently they use it, what they encounter and whether platform design encourages engagement that becomes difficult to control.
The Growing Wave of Litigation Against Social Media Companies
The Aug. 10 appellate ruling is a major development. The Ninth Circuit allowed thousands of cases involving Meta, YouTube, TikTok and Snapchat to continue, rejecting an effort to immediately appeal a lower-court ruling involving Section 230. The court treated Section 230 as a defense to liability, not immunity from suit.
The federal litigation includes a multidistrict proceeding, or MDL, coordinating cases involving common factual questions. Reuters reported that more than 3,000 federal lawsuits had been centralized in the litigation.
An MDL does not mean every plaintiff has the same claim or that liability has been established.
Why State Attorneys General Are Taking Action
State attorneys general have increasingly treated youth social-media safety as a consumer-protection issue.
A bipartisan coalition of 29 state attorneys general is pursuing claims against Meta alleging that the company misled consumers about the safety of Facebook and Instagram for young users and violated child-privacy laws. Reuters’ coverage of the case describes the trial now examining claims brought by the states.
On August 26, 2026, the California Attorney General Rob Bonta announced a proposed settlement (pending court approval) resolving the lawsuit against Meta over allegedly harmful, compulsive-use-driving features on Instagram and Facebook that it deployed while misleading users and the public about the risks to youth mental health. The settlement includes injunctive relief such as default daily time limits, overnight use blocks, parental controls, age verification measures, and independent compliance auditing, plus up to $17 billion in payments to states over ten years, with California set to receive $1.5–2.1 billion if approved.
The allegations involve platform design, youth safety and the collection and use of children’s data. Meta denies the allegations. The cases could influence future regulation and how courts evaluate corporate responsibility for digital-product design.
How Governments Are Responding With New Laws
The approach is evolving, with constitutional questions involving speech, privacy and access to online information. The U.S. Surgeon General has called for stronger safety standards, greater transparency from technology companies and additional research into social media’s benefits and harms. The Surgeon General’s recommendations include responses from families, schools, health professionals and technology companies.
Could Social Media Follow the Same Legal Path as Tobacco?
Both controversies involve questions about corporate knowledge, consumer warnings, product design and youth exposure. Tobacco litigation also demonstrates how scientific evidence and government enforcement can reshape an industry.
But social media is fundamentally different. Platforms facilitate communication, education and social connection, involve protected speech and change rapidly. Research into social media and mental health is also more complicated than the established causal evidence surrounding tobacco-related disease.
The comparison should therefore be treated as a historical framework, not a prediction.
What This Means for Consumers and Families
Families can encourage healthier technology use through reasonable boundaries, device-free periods, protected sleep and open conversations about online experiences. The Surgeon General recommends family media plans, technology-free zones and healthy online and offline relationships.
But responsibility may not rest solely with parents or young users. Litigation, legislation, education and product-design changes could all shape the future of online safety.
Conclusion: A Debate That Is Still Unfolding
Over the past decade, the social-media debate has moved from questions about screen time toward broader concerns involving adolescent development, mental health, product design and corporate accountability.
Research continues to identify associations between problematic use and mental-health concerns while emphasizing that correlation does not establish causation. Meanwhile, thousands of lawsuits are proceeding, state attorneys general are pursuing major claims, and governments are testing new approaches to youth safety.
The central question is increasingly whether companies that design digital products to capture and retain attention at enormous scale should bear some responsibility when those design choices are alleged to contribute to harm.
