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A baby getting vaccinated.

Updated on Jun. 28, 2025

9 minute read

Vaccine Recommendations Are Changing. What Might Happen Next?

Emily Oster, PhD

A baby sitting on a parent's lap.

Updated on Jun. 25, 2025

3 minute read

Am I Hurting My Baby by Sitting Them Up?

Adam Davis, MD

A parent yawning while breastfeeding her baby in bed.

Jun. 20, 2025

2 minute read

Would I Get More Sleep if I Switched to Formula?

Emily Oster, PhD

A doctor holding an IUD.

Jun. 13, 2025

3 minute read

When Is the Best Time to Get an IUD Postpartum?

Gillian Goddard, MD

Baby being vaccinated by a doctor.

Updated on May 30, 2025

3 minute read

Your Cheat Sheet for the MAHA Report

Emily Oster, PhD

Baby's face with tiny red acne

Updated on May 30, 2025

3 minute read

What Is Baby Acne?

Adam Davis, MD

A parent breastfeeding her baby

May 23, 2025

3 minute read

Do I Need to Give My Breastfed Baby Vitamin D Drops?

Emily Oster, PhD

A parent's hands holding a baby

Updated on May 16, 2025

2 minute read

Will Taking a GLP-1 Affect My Breast Milk Supply?

Emily Oster, PhD

Gloved hands touching a newborn baby in labor room

Updated on May 12, 2025

8 minute read

Is Vaginal Seeding Worth Trying?

Emily Oster, PhD

Updated on May 7, 2025

3 minute read

Should I Be Worried About Lead in Toothpaste?

Emily Oster, PhD

A parent helping a baby to walk

Updated on May 2, 2025

7 minute read

When Do Babies Start Walking?

Emily Oster, PhD

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 parent and a child wearing a cape made of blanket, goggles and flexing their arms

Updated on Apr. 21, 2025

7 minute read

What Do You Hope Your Child Is Like as an Adult?

Emily Oster, PhD

A child playing with a bottle of pills

Updated on Apr. 11, 2025

2 minute read

Does Vitamin A Prevent Measles?

Emily Oster, PhD

A person doing research and looking stressed.

Updated on Apr. 7, 2025

9 minute read

When “It Can’t Hurt” Actually Can

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