parent data Signup

Ask Petey a question

Subscribe Log in

All Articles

Sort by order
  • Relevance
  • Newest to Oldest
  • Oldest to Newest
A baby sucking the thumb

Updated on Feb. 28, 2025

2 minute read

Does Thumb-Sucking Prevent Allergies?

Emily Oster, PhD

Papercut family in hands

Updated on Jun. 24, 2025

8 minute read

Navigating Directed Donor Relationships

Marea Goodman, LM, CPM

A parent breastfeeding her baby on a couch

Updated on Feb. 21, 2025

2 minute read

Do Prolactin Levels Matter for Breastfeeding Success?

Emily Oster, PhD

Baby lying down with a phone

Updated on Feb. 18, 2025

6 minute read

Should You Worry About Electromagnetic and Radio-Frequency Fields?

Emily Oster, PhD

A platter of animal and plant proteins

Updated on Feb. 10, 2025

9 minute read

Does Everyone Really Need to Eat More Protein?

Emily Oster, PhD

Changing baby's diaper

Updated on Apr. 1, 2025

2 minute read

How Do I Know What “Normal” Poop Looks Like?

Emily Oster, PhD

A kid getting a vaccine shot

Updated on Mar. 17, 2025

16 minute read

How Can You Know If Vaccines Are Safe?

Emily Oster, PhD

A person holding a chicken in a lab wearing gloves

Updated on Jan. 29, 2025

8 minute read

What You Need to Know About Bird Flu

Emily Oster, PhD

A kid getting a bandaid after a vaccine shot

Updated on Mar. 17, 2025

17 minute read

Your Guide to Childhood Vaccinations Before Age 2

Emily Oster, PhD

Two toy cars going on a race mat with three kids in the blurred background.

Updated on Dec. 16, 2024

9 minute read

Why Universal Pre-K Means Parents Make More Money

Emily Oster, PhD

Young toddler eating fruit puree in a pouch.

Updated on May 30, 2025

2 minute read

Is It Bad to Give My Kid Pouches?

Emily Oster, PhD

Updated on Jan. 23, 2025

2 minute read

Does Bird Flu Spread Through Food?

Emily Oster, PhD

A kid hiding in a box

Updated on Nov. 29, 2024

1 minute read

Is My Messy House Affecting My Child?

Emily Oster, PhD

Parent and child in airport looking at the planes

Updated on Jun. 17, 2025

7 minute read

How to Travel with Kids

Emily Oster, PhD

A teddy bear in a crib

Nov. 20, 2024

3 minute read

Transitioning from a Crib to a Toddler Bed

Emily Oster, PhD

putting peanut butter on bread

Nov. 15, 2024

2 minute read

Does a Nut Allergy Increase Your Chances of Other Reactions?

Emily Oster, PhD