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Child drinking at water fountain
In the news

Updated on Nov. 20, 2025

9 minute read

Is There Too Much Fluoride in Drinking Water?

Emily Oster, PhD

A father holding the hands of his son.

Updated on Nov. 17, 2025

4 minute read

How Much Does Having an Absent Parent Affect Children?

Karey O’Hara

Red analog televisions are arranged on a yellow background.

Updated on Nov. 10, 2025

3 minute read

How Harmful to Babies Is It to Have the TV on in the Background?

Emily Oster, PhD

A small child smiles as they peep over the side of a white bathtub.

Updated on Nov. 10, 2025

2 minute read

Is It Safe to Bathe My Baby During a Lightning Storm?

Emily Oster, PhD

baby in a plane

Updated on Nov. 10, 2025

4 minute read

Should My Kid Be in a Car Seat on a Plane?

Emily Oster, PhD

kids sitting in a class room and using mobile
In the news

Updated on Nov. 6, 2025

11 minute read

What the Data Says About Kids, Phones, and Social Media

Emily Oster, PhD

putting peanut butter on bread

Updated on Nov. 5, 2025

2 minute read

Does a Nut Allergy Increase Your Chances of Other Reactions?

Emily Oster, PhD

baby sitting with toys around

Updated on Nov. 5, 2025

3 minute read

Do Bilingual Children Speak Later?

Jennifer Shonkoff

two kids posing and taking photograph of each other

Updated on Oct. 29, 2025

2 minute read

Should I Post Photos of My Child on Social Media?

Emily Oster, PhD

Red, white, and blue striped toothpaste is squeezed into a squiggle on a yellow background.

Updated on Oct. 27, 2025

2 minute read

How Do I Keep My Kid from Swallowing Fluoride?

Emily Oster, PhD

A care taker with children in a daycare.
In the news

Updated on Oct. 23, 2025

9 minute read

Child Care Is Expensive and Hard to Find. Here’s How We Fix It.

Emily Oster, PhD

A toddler gets a shot from a doctor

Updated on Oct. 23, 2025

3 minute read

Can My Kid Get a Flu Shot While Sick?

Emily Oster, PhD

A toddler looking at parents fighting in the kitchen.

Updated on Oct. 23, 2025

4 minute read

How Much Does Marital Conflict Impact Children?

Karey O’Hara

Parent and child in airport looking at the planes

Updated on Oct. 22, 2025

7 minute read

How to Travel with Kids

Emily Oster, PhD

An adult person smiling with green trees in the background

Updated on Oct. 17, 2025

3 minute read

Why Are Girls Starting Puberty Sooner?

Emily Oster, PhD

Kids in school looking at tabs.

Updated on Oct. 16, 2025

7 minute read

Are Classroom Screens Good for Learning?

Emily Oster, PhD