Have you ever watched your tween disappear into their phone and wondered, should I be more worried about this? A landmark new study published in The American Journal of Psychiatry suggests the answer may be yes. Surprisingly, the concern is not just about screen time in the abstract, it’s about substance use and the connection to age and time spent on social media.

Tween Social Media Linked to Substance Use: What Parents Need to Know

A large-scale tracking study followed more than 7,100 children for 5 years: from late childhood — ages 9 to 11 —  through their mid-teens, ages 13 to 16. Researchers weren’t just measuring how much time kids spent on social media. They were tracking their social media use patterns and watching to see what happened next.

The findings were striking: the earlier a child starts using social media, and the faster their use escalates, the higher their risk of experimenting with alcohol, nicotine, and cannabis by their mid-teens. Regardless of their use pattern, teens who were on social media showed increased substance experimentation compared to those with little to no use.

The size of the effect was startling, especially in the early-use-fast-escalation group. Tweens who spent three or more hours a day on social media had:

• Nearly 17 times the odds of experimenting with cannabis compared to kids with little or no social media use
• 14 times the odds of experimenting with tobacco or vapes

Why Is Social Media Linked to Substance Use?

The study points to something many parents and caregivers haven’t considered: social media isn’t a neutral window onto the world. It’s a curated, algorithm-driven environment — and that environment is heavily biased toward making substance use look appealing.

Nearly 77% of substance-related content that tweens encounter online portrays drug and alcohol use as positive, fun, and consequence-free. No hangovers. No family conflict. No lost opportunities. Just the highlight reel.

When a child is exposed to thousands of these images and videos before they ever walk into a high school party, it shapes what they believe is normal. It lowers the perceived risk of use. It makes experimentation feel like something everyone does — because online, it looks like everyone does.

This is called normalization, and it’s one of the most powerful predictors of adolescent substance use.

The Age 13 Rule Isn’t Arbitrary — But It May Not Be Enough

Most major social media platforms — Instagram, TikTok, Snapchat, YouTube — require users to be at least 13 years old. That minimum exists for a reason: federal law (COPPA) restricts data collection on children under 13, and developmentally, early adolescence marks a period when kids begin to have more capacity for self-regulation and critical thinking.

No child under 13 should be on social media. The platforms themselves say so — and the research consistently supports it. Yet enforcement is almost entirely left to parents, and studies suggest that a significant number of children under 13 (as high as 40%) are on these platforms anyway, often with a parent’s tacit knowledge.

Here’s where the new research pushes the conversation further: 13 may not be old enough either.

Several countries are already acting on this. Australia passed legislation in late 2024 requiring children to be 16 years old before accessing social media platforms — one of the strictest laws of its kind in the world. The United Kingdom and several European nations are advancing similar measures, citing mounting evidence that adolescent brains are not yet equipped to handle the psychological pressures of social media use, including algorithmically amplified content, social comparison, and exposure to harmful material.

When governments start banning something, it’s worth paying attention.

“They Need Their Phones to Stay Connected”

This is the most common concern teens, along with parents and caregivers, raise — and it’s a fair one. Adolescent social connection is important. Isolation isn’t the goal.  Additionally, parents and caregivers use smart devices to keep in touch with teens and often track their location and phone use.

It’s worth separating two things that often get lumped together: having a phone and being on social media. A phone doesn’t require any social media accounts, and a phone doesn’t even need to be a “smart” phone. There are plenty of ways for kids to stay connected, make plans, and communicate with friends without ever opening TikTok or Instagram.

Teens are also utilizing:

• Texting and group chats — direct, personal, and not algorithm-driven
• Phone calls and video calls — actual conversation, not passive scrolling
• Gaming with friends — many teens maintain active social lives through multiplayer games
• Shared interest apps and forums — moderated communities around hobbies like art, music, coding, or sports
• Family-approved messaging platforms — some families use platforms with parental visibility built in

The social need is real. Social media is just one way to meet it — and based on the evidence, it’s one of the riskier ones for this age group.

Thinking About the Connection between Social Media and Substance Use

It’s worth saying clearly: this isn’t a call to throw every device in the trash or to treat your child like a suspect. Most tweens are navigating the digital world without developing a substance use disorder, and technology is a genuine part of how young people learn, create, and connect.

This research matters because it can help families set appropriate guidelines with their tween and teen. For those families who choose to allow social media, it can help parents keep an eye on risk factors.

We often hear about teen social media risks in terms of cyberbullying, body image, or sleep disruption. Those are real. This study adds something significant to that list: early, heavy social media use is a measurable risk factor for substance experimentation — one that begins quietly, years before a parent might think to ask the question.

What Caregivers Can Do Now

The good news is that awareness is protective. When families are engaged and informed, outcomes improve. Here are evidence-informed starting points:

• Hold the line on age 13 — and consider waiting longer. If your child isn’t yet 13, don’t let social media in the door. If they’re 13 or 14, it’s reasonable to ask whether they’re ready — and to make the case for waiting. The research supports that position. Families are starting to have stricter rules about algorithm-based social media: none before 16. Whatever you decide for your family, knowing the research can help you frame the conversation.
• Start the conversation early — before middle school if possible. Don’t wait for a problem to materialize. Talking openly about what your child sees online, and what it might be leaving out, helps them develop critical thinking about the content they consume. This conversation can start with things you see together on TV or hear on the radio.
• Help them stay social without social media. If your child argues they’ll be “left out” without Instagram or TikTok, work with them to find alternatives. Texting, gaming, video calls, and in-person time are all real options — and they come without the algorithm. Many teens are using video conferencing to stay in touch while playing games together or at the same time.
• Ask about content, not just time. “How long were you on?” is less useful than “What did you see today?” Understanding the type of content your child is exposed to matters more than the clock. You may be surprised by the ads tweens and teens are seeing on YouTube, even without having an account. You might invite them to screen share with you so you can watch something together and see what comes up.
• Set gradual, consistent limits. The study found that escalation — use that climbs rapidly — was a key predictor of risk. Families who establish norms around social media use early tend to have an easier time maintaining them. For teens who are allowed to be on social media, parents can still guide a conversation about how often and for how long. Many parents find parental controls or apps to monitor their children’s phones to be useful.
• Take their exposure seriously. If your child mentions that “everyone vapes” or “weed isn’t really a drug,” don’t dismiss it as peer talk. It may be reflecting what they’re absorbing online — and that’s a conversation worth having. Of note, research into teen substance use shows that use is actually going down, and at the same time, for those who are using, parents often find the evidence much later, when it’s much harder to stop.
• Reach out if you’re already concerned. If substance use has already begun, or if you’ve noticed behavioral changes you can’t explain, early intervention works. The research on adolescent treatment consistently shows that the sooner a family gets support, the better the outcomes.

A Note on Early Intervention

At ASAP Cincinnati, we’ve been working with teens and families facing substance use and mental health concerns for more than 17 years. What this study confirms is something we’ve observed clinically: the path from curiosity to problematic use is shorter than most families expect, and the window for prevention is wider than most families realize. If you have questions about where your child stands — or you’re not sure whether what you’re seeing rises to the level of concern — we’re here to help you figure that out. A conversation is always a good place to start, and if needed, we offer education and treatment options for teens and their families. Call us at 513-792-1272 to talk about your family’s situation.

Sources:

Trivedi, A. (2026, June 12). Social media use early on can lead to substance use in teens, study finds. CNN Health. https://www.cnn.com/2026/06/12/health/adolescent-social-media-substance-use-wellness

Nagata, J. M., Wong, J. H., Benabou, S. E., Li, E. J., Ganson, K. T., Testa, A., Santos, G. M., & Brindis, C. D. (2026). Social media use trajectories and substance use experimentation: A prospective cohort study. American Journal of Psychiatry. Advance online publication. https://doi.org/10.1176/appi.ajp.20251292

Miech, R. A., Johnston, L. D., Patrick, M. E., & O’Malley, P. M. (2025). Monitoring the Future national survey results on drug use, 1975–2024: Overview and detailed results for secondary school students. Monitoring the Future Monograph Series. Ann Arbor, MI: Institute for Social Research, University of Michigan.

ASAP Cincinnati is a CARF-accredited, State of Ohio certified outpatient mental health and substance use treatment facility serving teens and young adults ages 12–26 along with their families.