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closeup of a donut
In the news

Updated on Aug. 12, 2025

10 minute read

What’s the Data on Ultraprocessed Foods?

Emily Oster, PhD

Three kids running and leaping outside.

Updated on Aug. 8, 2025

9 minute read

What’s Behind the Decline in Youth Mental Health?

Emily Oster, PhD

Person looking skeptical in small supermarket

Updated on Aug. 8, 2025

7 minute read

Why Does Everything Have Lead All of a Sudden?

Emily Oster, PhD

A kid in a red shirt smiles while eating a red popsicle that has dripped all over their face and arm.
In the news

Updated on Aug. 8, 2025

10 minute read

Are the Worries About Food Dyes Overblown?

Emily Oster, PhD

An open oil bottle on a wooden plank surrounded by smaller planks and stones.

Updated on Aug. 8, 2025

9 minute read

Do Parasite Cleanses Work?

Emily Oster, PhD

An arranged plate of protein-packed food and some fruits.

Updated on Aug. 8, 2025

8 minute read

Is ADHD Triggered by Diet?

Emily Oster, PhD

Kids writing in school.

Updated on Aug. 8, 2025

9 minute read

Why We Still Need Test Score Data

Emily Oster, PhD

Child building with colorful blocks.
In the news

Updated on Aug. 8, 2025

10 minute read

Why Are Autism Rates Going Up?

Emily Oster, PhD

Microplastics in the sand seen through magnifying glass
In the news

Updated on Aug. 8, 2025

10 minute read

How Much Should We Worry About Microplastics?

Emily Oster, PhD

vaccines on blue background

Updated on Aug. 8, 2025

5 minute read

No, Vaccines Do Not Increase Autism by 1,135%

Emily Oster, PhD

A group of children playing.
In the news

Updated on Jul. 10, 2025

9 minute read

Are American Kids Really Doing Much Worse?

Emily Oster, PhD

A kid sitting in a pool and smiling.

Updated on Jul. 10, 2025

9 minute read

Why Water Safety Is So Important

Emily Oster, PhD

A child kissing the forehead of her baby sibling.

Updated on Jul. 10, 2025

8 minute read

Preparing Your Child for a New Sibling

Emily Oster, PhD

A parent and a child wearing a cape made of blanket, goggles and flexing their arms

Updated on Jul. 9, 2025

7 minute read

What Do You Hope Your Child Is Like as an Adult?

Emily Oster, PhD

Child in bed with iPad

Updated on Jul. 4, 2025

11 minute read

A Different Way to Look at Screen Time

Emily Oster, PhD

Child with yellow hoodie eating cereal

Updated on Jul. 2, 2025

10 minute read

So You Have a Picky Eater

Emily Oster, PhD