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A child playing on an outdoor jungle gym.

Updated on Feb. 5, 2025

3 minute read

How Common and Serious Are Playground Accidents?

Emily Oster, PhD

A kid holding a gecko

Updated on Dec. 30, 2024

3 minute read

What Is the Best Pet for a 2-Year-Old?

Emily Oster, PhD

Multicolored paper speech bubbles hanging from yarn across a yellow background.

Updated on Apr. 1, 2025

2 minute read

Should We Speak to Our Child in Multiple Languages?

Emily Oster, PhD

Flames from a gas burner are pictured close-up.

Updated on Mar. 30, 2025

9 minute read

How Worried Should We Be About Gas Stoves?

Emily Oster, PhD

A group of babies listening to ParentData on headphones

Jan. 8, 2023

29 minute read

Puberty, Postpartum, and Adaptation

Emily Oster, PhD

A teddy bear sits in a blue highchair eating oatmeal and an apple.

Jan. 6, 2023

3 minute read

Is My Toddler Overeating?

Emily Oster, PhD

A blue and white digital thermometer sits on a pink background.

Dec. 23, 2022

2 minute read

How Accurate Is My Thermometer?

Emily Oster, PhD

A parent looking at the phone with two kids

Updated on Jun. 26, 2025

4 minute read

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

Emily Oster, PhD

Plastic glasses with a nose, mustache, and funny eyebrows attached.

Updated on Apr. 9, 2025

2 minute read

What Can I Do About My Child’s Stranger Anxiety?

Emily Oster, PhD

Reusable coffee cups with purple silicone lids and sleeves on a yellow background.

Dec. 16, 2022

3 minute read

When Should I Let My Kids Drink Coffee?

Emily Oster, PhD

Four toothbrushes laid around a paper tooth on a pink background.

Updated on Feb. 5, 2025

7 minute read

When Should You Brush Your Teeth?

Emily Oster, PhD

A young parent is holding a crying baby on one hip while trying to do the laundry with her other hand.

Dec. 8, 2022

16 minute read

What's Wrong With Parenting in America—And How to Fix It

Emily Oster, PhD

A calendar with colorful pens beside it.

Updated on Dec. 19, 2024

2 minute read

Should I Maintain My Kid’s Schedule over the Holidays?

Emily Oster, PhD

Tree blossoms in the spring surrounded by sunshine and pollen.

Dec. 9, 2022

2 minute read

Will Daily Flonase Stunt My Child’s Growth?

Emily Oster, PhD

Image of a crosswalk.

Dec. 9, 2022

3 minute read

At What Age Can Kids Cross Crosswalks Alone?

Emily Oster, PhD

Red, white, and blue striped toothpaste is squeezed into a squiggle on a yellow background.

Updated on Jan. 8, 2025

2 minute read

How Do I Keep My Kid from Swallowing Fluoride?

Emily Oster, PhD