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A paper human with a dandelion head. Half of the white dandelion fluff has flown into the air.

Updated on Feb. 27, 2026

3 minute read

Is It Dangerous to Take Allergy Medicine Every Day?

Emily Oster, PhD

A parent looking at the phone with two kids

Updated on Feb. 26, 2026

4 minute read

Is It Bad for Parents to Use Phones Around Their Kids?

Emily Oster, PhD

kid taking swing

Updated on Feb. 26, 2026

2 minute read

Do Kids Need to Spend Time Outdoors?

Emily Oster, PhD

A parent sitting with two children on a couch and teaching them with a book.

Updated on Feb. 18, 2026

2 minute read

When Should Kids Learn to Read?

Emily Oster, PhD

Parent and a child brushing teeth

Updated on Feb. 18, 2026

2 minute read

Will a Child Act More Like the Parent They Look Like?

Emily Oster, PhD

Two partners lying on bed playfully and looking at the kid on floor

Updated on Feb. 12, 2026

13 minute read

Your Sex Lives After Kids

Emily Oster, PhD

A group of babies listening to ParentData on headphones

Updated on Feb. 9, 2026

8 minute read

Why Kids Get So Many Ear Infections

Emily Oster, PhD

Kids at summer camp

Updated on Feb. 7, 2026

9 minute read

A Data-Driven Approach to Summer Camp

Emily Oster, PhD

kid sleeping with the dog

Updated on Feb. 2, 2026

8 minute read

Is Your Child Getting Enough Sleep?

Emily Oster, PhD

Baby lying down with a phone
In the news

Updated on Jan. 29, 2026

9 minute read

Do Cell Phones Cause Cancer?

Emily Oster, PhD

Child wrapped in blanket sitting on couch next to parent who is reading a thermometer

Updated on Jan. 28, 2026

11 minute read

What Fall Vaccines Should We Get?

Emily Oster, PhD

American food.
In the news

Updated on Jan. 15, 2026

12 minute read

What Americans Actually Eat

Emily Oster, PhD

Updated on Jan. 15, 2026

7 minute read

Why You Should Surface Family Conflicts on Purpose

Emily Oster, PhD

A person sneezing in cold weather.

Updated on Jan. 9, 2026

7 minute read

Why Is This Flu Season So Bad?

Emily Oster, PhD

Two parents, in bed with their child, who is coughing, take the child's temperature.

Updated on Jan. 9, 2026

7 minute read

When to Treat a Fever

Emily Oster, PhD

Doctor gives adolescent vaccine
In the news

Updated on Jan. 9, 2026

9 minute read

All About the HPV Vaccine

Emily Oster, PhD