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A baby DJ in a red sweater plays a kid song on a piano.

Updated on Jun. 2, 2025

3 minute read

Is Kid Music Good for My Baby?

Emily Oster, PhD

Doctor weighing child

Updated on May 31, 2025

10 minute read

Finding Dr. Right

Krupa Playforth, MD

Baby's face with tiny red acne

Updated on May 30, 2025

3 minute read

What Is Baby Acne?

Adam Davis, MD

Bowls of various pills and capsules on a light pink background.

Updated on May 27, 2025

9 minute read

Vitamins Are (Mostly) Pointless

Emily Oster, PhD

A parent cuddles with an infant while feeding them a bottle.

Updated on May 15, 2025

3 minute read

Will Breastfeeding Be Easier the Second Time?

Emily Oster, PhD

An infant sleeps on his stomach in a crib, gripping a green pacifier in his hand.

Updated on May 13, 2025

4 minute read

Pacifier Use from Infancy into Toddlerhood

Emily Oster, PhD

Bottom half of a kid seen with xylophone and other toys

Updated on May 9, 2025

3 minute read

What Are the “Right” Toys for Development?

Emily Oster, PhD

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 drinking milk from a bottle

Updated on Apr. 28, 2025

2 minute read

Can I Give My Baby Colostrum Then Switch to Formula?

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

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

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

Updated on Apr. 13, 2025

8 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

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 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