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Person making a marijuana joint on a counter.

Updated on Apr. 16, 2025

3 minute read

Is It Dangerous for My Baby to Be Around Marijuana Smoke?

Emily Oster, PhD

A plastic wind-up lady bug baby toy is seen on a red background

Nov. 9, 2023

7 minute read

Baby Gear and the Environment

Tatiana Schlossberg

A parent holds a baby while a doctor administers a vaccine.

Updated on Jan. 20, 2025

2 minute read

Why Does Giving My Baby the COVID Shot Feel So Scary?

Emily Oster, PhD

Powdered formula in a measuring spoon, next to a baby bottle.

Updated on Oct. 10, 2025

2 minute read

Is It Safe to Add Rice Cereal to Baby Formula?

Emily Oster, PhD

A picky-eater child holds up a stem of broccoli and frowns.

Nov. 7, 2023

4 minute read

Will My Picky Eater Become a Picky Adult?

Emily Oster, PhD

A baby smiles into the review mirror of a car.

Nov. 1, 2023

2 minute read

Should I Get a Car Mirror to Monitor My Baby?

Emily Oster, PhD

A baby sits on a doctors table and looks concerned while receiving a vaccination from a doctor.

Updated on Mar. 24, 2025

2 minute read

Should I Give My Baby Tylenol After a Vaccine?

Emily Oster, PhD

A mom breastfeeding her baby

Updated on Apr. 28, 2025

2 minute read

How Much COVID Protection Will My Baby Get from Breastfeeding?

Emily Oster, PhD

An infant at a daycare smiles while playing with other babies and toys.

Updated on Sep. 11, 2025

11 minute read

How Does Day Care Impact Children?

Emily Oster, PhD

A baby pulls themself up to stand at a bench.

Updated on Oct. 22, 2025

2 minute read

Should I Worry if My Baby Isn't Walking?

Emily Oster, PhD

ParentData podcast cover art

Oct. 5, 2023

10 minute read

Introducing Allergens

Emily Oster, PhD

A bottle, scoop, and can of formula are seen on a yellow background.

Oct. 4, 2023

2 minute read

Is the Baby Brezza Safe to Use?

Emily Oster, PhD

Pregnant woman receiving vaccine shot from doctor
In the news

Updated on Apr. 17, 2025

7 minute read

Your Guide to Vaccines During Pregnancy

Emily Oster, PhD

Two parents kiss a baby on either cheek.

Updated on Jul. 22, 2025

9 minute read

How to Baby-Proof Your Relationship

Yael Schonbrun

Baby in a sleep sack and printed onesie, smiling big with two bottom teeth.

Updated on Apr. 29, 2025

2 minute read

Do I Have to Stop Night Feeding?

Emily Oster, PhD

A baby wearing multiple layers of jackets looks confused.

Updated on Nov. 27, 2024

2 minute read

How Should I Dress My Baby for the Cold?

Emily Oster, PhD