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In the news

Updated on Mar. 17, 2026

6 minute read

What’s Happening with the Hepatitis B Vaccine?

Emily Oster, PhD

A baby about to take a vaccine shot.
In the news

Updated on Mar. 17, 2026

8 minute read

What Changed in the Childhood Vaccine Schedule?

Emily Oster, PhD

A smiling baby sitting on a floor wearing a helmet

Updated on Mar. 16, 2026

8 minute read

Helmets for Shaping Your Baby’s Head

Emily Oster, PhD

multiple dices placed on a pink background

Updated on Mar. 16, 2026

9 minute read

Understanding Risk, Living With Uncertainty

Emily Oster, PhD

A baby sleeping peacefully.

Updated on Mar. 13, 2026

2 minute read

Did Denmark Ban Sleep Training?

Emily Oster, PhD

A blue box of tissue on a light blue background.

Updated on Mar. 11, 2026

2 minute read

What Is the Contagion Window for RSV?

Emily Oster, PhD

A young child seated at a table holds a peanut. He is seated behind a bowl of peanuts.

Updated on Mar. 10, 2026

9 minute read

Oral Immunotherapy for Allergies

Emily Oster, PhD

Child spreading peanut butter on bread, while her parents eat

Updated on Mar. 9, 2026

4 minute read

What’s the Data on Xolair for Food Allergies?

Emily Oster, PhD

kid is pouring milk in glass

Updated on Mar. 3, 2026

2 minute read

Is Dairy Bad for Kids when They’re Sick?

Emily Oster, PhD

A toddler throwing a temper tantrum.

Updated on Mar. 2, 2026

3 minute read

What Can I Do During a Temper Tantrum?

Emily Oster, PhD

A stash of filled breast milk freezer bags is seen with a hand on either side of the bag.

Updated on Feb. 27, 2026

12 minute read

How to Store Breast Milk

Emily Oster, PhD

an adult and a kid in a TV lounge watching TV

Updated on Feb. 26, 2026

2 minute read

When Should I Start Censoring What I Listen to and Watch Around a Baby?

Emily Oster, PhD

A scoop of baby powder spilled on a blue background next to a teddy bear and empty bottle.

Updated on Feb. 26, 2026

4 minute read

Is It Safe to Reuse Unfinished Formula?

Emily Oster, PhD

A person using a breastpump.

Updated on Feb. 24, 2026

3 minute read

What’s the Best Breast Pump to Get?

Emily Oster, PhD

Parents to be looking at their phones and discussing.

Updated on Feb. 24, 2026

9 minute read

How to Decide About Child Care

Emily Oster, PhD

Parent kissing newborn

Updated on Feb. 18, 2026

2 minute read

Is It Safe to Kiss Newborns?

Emily Oster, PhD