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A parent holding and stretching the baby's legs

Updated on Apr. 25, 2025

2 minute read

What Is the Data Behind Growth Charts?

Emily Oster, PhD

A baby sitting on the beach wearing sunglasses.

Updated on Apr. 24, 2025

2 minute read

Is It Safe to Use Sunscreen on Babies Under Six Months?

Emily Oster, PhD

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

An organic mattress with pillows and soft toys

Updated on Apr. 15, 2025

3 minute read

Should I Get an Organic Mattress for My Child?

Emily Oster, PhD

Four children smiling and jumping with hands raised into the air.

Updated on Apr. 13, 2025

7 minute read

What Does Matter for Childhood Outcomes?

Emily Oster, PhD

Lit cigarette in a red ashtray on a green bench with fallen leaves around it.

Updated on Apr. 9, 2025

3 minute read

Can I Smoke Socially While Breastfeeding?

Emily Oster, PhD

A newborn on a weighing scale

Updated on Apr. 4, 2025

3 minute read

When Should Infants Get Back to Their Birth Weight?

Emily Oster, PhD

A judgemental person holding a magnifying glass looks on, horrified.

Updated on Apr. 1, 2025

2 minute read

My Relative Thinks My Baby Is Autistic. Am I Missing Signs?

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

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 cigarette butt stubbed out on a stainless steal surface.

Updated on Apr. 1, 2025

2 minute read

Should I Worry About Thirdhand Smoke Around My Baby?

Emily Oster, PhD

A parent holds the back of her palm to her child's forehead while the child sleeps in bed. In the other hand, the parent holds a thermometer that reads "hi"

Updated on Mar. 31, 2025

8 minute read

Everything You Need to Know About Norovirus

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 baby wearing glasses and sleeping on top of a moon shaped pillow.

Updated on Mar. 28, 2025

2 minute read

Should You Also Sleep Train for Naps?

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 new parent wearing a baby during skin-to-skin contact smiles and laughs with a visitor.

Updated on Mar. 20, 2025

6 minute read

What’s the Data on Kangaroo Mother Care?

Teryn Mattox