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TED Health

The science of raising kids (Part 3): Why adolescent brains are wired differently | Jennifer Pfeifer

TED Health

TED

Shoshana Ungerleider, Ted Shoshana, Ted Talks Health, Health & Fitness, How To Be Healthier, Medicine, Fitness

4.01.5K Ratings

🗓️ 24 February 2026

⏱️ 20 minutes

🧾️ Download transcript

Summary

Neuroscientist Jennifer Pfeifer digs into the fascinating brain changes driving young people’s behavior during the critical years of adolescence. She debunks some of the biggest misunderstandings about teens — including puberty, hormones and the impact of social media on mental health — and shows how to support kids during this period of growth and possibility.



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Transcript

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0:00.0

This is Ted Health, a podcast from Ted, and I'm your host, Dr. Shoshana Ungerleiter.

0:08.1

If you're raising a child right now or loving one, you already know that parenting is not a simple job.

0:15.5

It's not just carpools and bedtime routines.

0:18.9

It's questions that sit with you all day. Am I doing enough? Am I doing

0:24.4

too much? How do I get it right? All month on TED Health, we're confronting that tension and

0:30.8

exploring the health and science of parenting. We're listening to talks and prompting conversations

0:36.0

all about raising young people, and we're

0:39.1

breaking down how development actually unfolds in real lives, and not just in textbooks.

0:45.1

Our episodes so far have covered topics like childhood independence, parental oversight, and how

0:51.2

our daily environments impact children's health.

0:55.8

And what has really stood out from those episodes is that there's common fear that people seem to have, even if it shows up

1:01.1

in different ways. It's the fear that if we loosen our grip, something bad will happen. Fear

1:07.7

that if we don't optimize every single choice, we're setting our kids up to fall behind.

1:13.7

That if we miss a sign or choose the wrong thing, we won't get a second chance.

1:19.7

And that fear makes total sense.

1:22.7

Parenting has always mattered.

1:24.3

But the modern version with all the tech and connectivity that comes with it, can feel like

1:29.3

parenting in public. Your phone turns into a running commentary in your pocket, a school portal that

1:36.2

never sleeps, a headline that turns one new study into a mandate. And for many families,

1:42.7

it's all happening on top of very real constraints,

1:46.4

time, money, child care, and the constant background stress of just trying to hold everything together.

1:54.2

That pressure coming from all sides can feed the fear of messing things up, and that's not good for

...

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