Turns out, all those parents who said, "My kid needs a smartphone for safety" might have been onto something... but probably not in the way they thought. A massive global study of over 100,000 young people has dropped a bombshell that will surprise absolutely nobody who's ever seen a teenager scrolling in a zombie-like trance: giving kids a smartphone before they hit the ripe old age of 13 is a recipe for mental health issues later in life.

The folks at Sapien Labs – the minds behind the "Global Mind Project" – found that young adults (ages 18-24) who got their first phone at 12 or younger were more likely to report a truly delightful cocktail of symptoms.

We're talking suicidal thoughts, aggression, a detached-from-reality vibe, and a complete lack of self-worth. It's like a digital puberty, but instead of just acne and awkwardness, you get a side of existential dread.

Phone... erm... an internal digital drug dealer

Top view of a child using a phone.

Now, the researchers clarify that the phone itself isn't the sole villain. It's more of a gateway device, like a tiny Trojan horse. The real culprits? Early social media access (of course), cyberbullying, disrupted sleep (thanks, endless TikTok scrolls), and crappy family relationships.

Social media, it seems, is the main character in this horror story, accounting for a whopping 40% of the mind-mush association. The rest is just a tragic blend of being a virtual punching bag, not sleeping, and having a family that you now communicate with exclusively through texts from the other room.

And get this: the younger the child, the worse the outcome. A five-year-old with a smartphone? Their "Mind Health Quotient" (the study's fancy term for "Are you okay?") was a depressing score of one. Meanwhile, the 'old' kids who held out until 13 scored a relatively healthy 30. Apparently, waiting a few years for your first dose of social comparison and internet trolls can do wonders.

How can we say no to phones for tweens?

Little girl using a phone.

The study's lead neuroscientist, Dr. Tara Thiagarajan, basically said what a lot of us have been thinking: we need to treat this like a public health crisis. She's calling on policymakers to regulate smartphone access for kids under 13 with the same level of care and consideration they give to things like alcohol and tobacco.

While some countries and US states are finally banning phones in schools—a move that should have happened a decade ago—the problem is far bigger than the classroom. So, what's the plan? The researchers suggest some wildly radical ideas, like:

  • Mandatory digital literacy classes (so kids know how to not lose their minds online).
  • Holding tech companies accountable for letting kids lie about their age.
  • Actually enforcing age restrictions on platforms (I know, right? Wild!).
  • And, the most controversial of all, graduated access restrictions for smartphones.
Kid using a phone.

The takeaway? We can't wait for irrefutable, peer-reviewed proof that the digital era is slowly eroding the sanity of an entire generation. The evidence is already pointing to some seriously dire consequences.

After all, if we're worried about our kids getting their hands on a beer or a cigarette, maybe we should be just as concerned about them getting their hands on a tiny device that hands them the entire internet on a platter.

You can read the full study at Taylor & Francis.

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