Ever diagnosed yourself with a mental health disorder based on a TikTok video? If so, you're not alone. "I personally don't think that there's anything more human than wanting to understand yourself and wanting to understand your own experiences," says Vasileia Karasavva. Vasileia is the lead author of a paper published Wednesday in the journal PLOS One that gets into why this kind of self-diagnosis can be such a double-edged sword.Listen to every episode of Short Wave sponsor-free and support our work at NPR by signing up for Short Wave+ at plus.npr.org/shortwave.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy
Chapter 1: What common discussions about ADHD exist on TikTok?
Yeah, it's super common. So here's just a little sampling of what you might hear.
For those of you who have ADHD, who is your favorite?
Five less well-known ADHD behaviors with doodles. Let's go. Number one.
ADHD behaviors you didn't know about part two.
Chapter 2: How accurate are TikTok videos about ADHD?
Yeah, and researchers wanted to take a closer look at some of these videos to see how accurate they were.
And how did they go about doing that?
So they had clinical psychologists rate the 100 most popular ADHD videos at the time on accuracy, and they found less than half of the claims made in these videos aligned with the Diagnostic and Statistical Manual of Mental Disorders, or the DSM. This is a tool that mental health experts use to help diagnose and treat their patients.
Yeah, and none of the videos got a perfect score from clinicians. Many lacked nuance, like just because you listen to a song on repeat or you forget to text your friend back does not necessarily mean you have ADHD. It could be a lot of things like stress or sleep issues or a learning disability. Sure. So what is the concern here?
Chapter 3: What concerns arise from TikTok mental health videos?
Is it that people are going to these videos, going to TikTok, trying to get real information about their mental health and finding stuff that is not necessarily actual real information? Yeah.
Yeah, well, the researchers also looked at how accurate young adults with and without ADHD perceived these videos to be. And even though they gave the less accurate videos correspondingly lower ratings, they still believed the content in the video was more accurate than the clinicians said it was. So the researchers published the details this week in the journal PLOS One.
And the lead author, Vasilija Karasava, she's from the University of British Columbia, said this can be problematic. They can create tension between the healthcare professionals and the people who come in for help.
She says that if people are adamant they have ADHD based on these videos, it could prevent them from getting the help they need, since these symptoms could be rooted in, say, depression or anxiety.
Chapter 4: What guidance should people follow for mental health advice from TikTok?
What is the guidance then for people who have been going to TikTok for mental health advice?
Well, first she says, see a therapist if you can. A lot of times people are going to TikTok because it's easy, free, and it builds community. She also cautions against watching too much TikTok because her team also found that people who consumed more TikTok are more likely to feel worse about their own symptoms. And she says, check the credentials of the TikTokers who are sharing medical advice.
Check the credentials. Excellent advice for all kinds of things. Okay. Yes. Next topic, let's talk about lightening creating life.
Yeah. So a recent study in the journal Science Advances gives new life to like an old hypothesis on how life was created on Earth with a spark of lightning. It's based on the Miller-Urey experiment from the 1950s. In this experiment, Stanley Miller and Harold Urey tried to recreate like a mini version of our atmosphere in a glass bulb. And this had hydrogen, methane and ammonia and water vapor.
And then they shot sparks into that mixture. And over time, chemical reactions created some of the building blocks of life like amino acids. But there are problems with this hypothesis.
Hmm, cue moody music. Okay, what are the problems with the hypothesis?
Well, lightning is intermittent and unpredictable. And the atmosphere is really, really big. So all of those new amino acids created could have just dissipated.
Okay, so let's bring in the new study. Which way's in here, I'm guessing?
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Chapter 5: How does lightning relate to the origin of life on Earth?
Yeah, totally. So scientists at Stanford noticed that when water breaks into droplets, like the spray of a hose or a crashing wave, those droplets become charged. You get bigger droplets that are positively charged and smaller ones that are negatively charged. And this difference in charge can result in a spark that lead researcher Richard Zare coined as micro-lightning.
And you might think, well, everything about water is known. Well, no. It's never been seen before.
So micro lightning is a spin on that old Miller-Urey experiment that demonstrates a kind of lightning could be partially responsible for the beginnings of life.
I hear the emphasis on could be partially responsible. Sounds like we still got a ways to go before we get a definitive answer about how life first came to be here on Earth.
Yeah, we do want to stress that there are other hypotheses that could have contributed to the origins of life on Earth, maybe more than micro lightning. Some scientists think asteroid strikes or hydrothermal vents played a role. Plus, nobody knows the exact combo of gases in the early atmosphere. So how life began on Earth is still a very highly debated question.
Third item, and I'm not going to lie, I have been looking forward to this one. The final story, why are neuroscientists studying parakeets?
So researchers have been trying to find an animal model they can use to study human speech because millions of Americans have some kind of communication disorder, be it difficulty producing words or planning out sentences in the brain. And a new study in the journal Nature says parakeets, that's type of parrot, could help highlight what happens when these systems break down.
I am already learning because I will confess I did not know parakeets were a type of parrot. Are we talking, I don't know, like Polly want a cracker type stuff?
Okay, not quite. The parakeets roamed around these like little arenas doing their usual squawks and chirps like this. And as the parakeet squawked, the scientists recorded the bird's brain activity.
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