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Child breastfeeding

Updated on Apr. 15, 2026

4 minute read

How Can I Wean My Child From Breastfeeding?

Emily Oster, PhD

In the news

Updated on Apr. 13, 2026

7 minute read

What’s Going on With Measles?

Emily Oster, PhD

A kid having cereal
In the news

Updated on Apr. 7, 2026

6 minute read

Should Your Kids Be Drinking Whole Milk?

Emily Oster, PhD

A child getting a vaccine
In the news

Updated on Mar. 28, 2026

7 minute read

What Is Going on With Vaccines?

Emily Oster, PhD

Sugar cubes and spoonful of sugar on red background

Updated on Mar. 27, 2026

10 minute read

How to Think About Sugar

Emily Oster, PhD

child sleeping on a couch

Updated on Mar. 17, 2026

9 minute read

Sleep Survey Results: The Naps

Emily Oster, PhD

A close-up of a baby in a car seat.

Updated on Mar. 17, 2026

10 minute read

All About Car Seats

Emily Oster, PhD

A parent holding a baby while another is showing a flash card

Updated on Mar. 17, 2026

8 minute read

Early Brain Development in Babies

Emily Oster, PhD

baby taking milk from feeder

Updated on Mar. 17, 2026

2 minute read

What Happens to Milk Supply When You Stop Nighttime Feeding?

Emily Oster, PhD

A baby on a blue sheet wears a pretend parachute and skydiving goggles.

Updated on Mar. 17, 2026

2 minute read

Is High-Altitude Travel Dangerous for a Baby?

Emily Oster, PhD

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