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Syringe and vaccine vial on a dark background
In the news

Updated on Sep. 20, 2025

7 minute read

What’s Happening to the MMRV, Hepatitis B, and COVID Vaccines?

Emily Oster, PhD

Kids reading in a classroom.

Updated on Sep. 19, 2025

8 minute read

Do Classroom Rewards Improve Behavior?

Emily Oster, PhD

A teacher teaching kindergarten kids in a classroom.

Updated on Sep. 16, 2025

9 minute read

Has Kindergarten Gotten More Academic?

Emily Oster, PhD

Vaccine being loaded in the syringe.
In the news

Updated on Sep. 16, 2025

6 minute read

Fact Check: Vaccine Studies

Emily Oster, PhD

A baby being tested for fever

Updated on Sep. 15, 2025

9 minute read

Everything You Need to Know About Febrile Seizures

Emily Oster, PhD

kid taking bath in the bath tub

Updated on Sep. 3, 2025

7 minute read

A Guide to Toddler Bath Time

Emily Oster, PhD

A happy family with a newborn.

Updated on Aug. 21, 2025

8 minute read

Does Giving Families Money Improve Child Outcomes?

Emily Oster, PhD

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

A platter of animal and plant proteins
In the news

Updated on Aug. 8, 2025

9 minute read

Does Everyone Really Need to Eat More Protein?

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.
In the news

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