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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

A group of babies listening to ParentData on headphones

Dec. 8, 2022

55 minute read

Parenting in America

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

Dec. 5, 2022

12 minute read

Where Does Data Come From?

Emily Oster, PhD

A glass of red wine spilled on a white background.

Dec. 2, 2022

3 minute read

Will Alcohol During Pregnancy Alter My Baby’s Brain?

Emily Oster, PhD

An illustration of a hand, pointing one finger accusingly, on a red background.

Dec. 2, 2022

2 minute read

How Do You Deal with Pushback?

Emily Oster, PhD

Newborn accessories like socks, beanies, a blanket and a teddy.

Updated on Oct. 14, 2025

2 minute read

What Accessories Does My Newborn Really Need?

Emily Oster, PhD

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

Updated on Oct. 27, 2025

2 minute read

How Do I Keep My Kid from Swallowing Fluoride?

Emily Oster, PhD

A woman in jogging pants and a hoodie smiles while standing on the beach.

Updated on Jan. 8, 2025

9 minute read

How Much Aerobic Exercise Is Safe During Pregnancy?

Emily Oster, PhD

A baby cries while a breastfeeding woman suffering from mastitis cups her breast in pain.

Updated on Aug. 21, 2025

9 minute read

Mastitis and the Guidance to Treat It

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

An illustration of a colorful stack of books on a pink background. A small ladder is leaning on the stack.

Nov. 18, 2022

1 minute read

How Do I Improve My Child’s Early Reading Skills?

Emily Oster, PhD

A teddy bear wears a stethoscope and mask against a blue background.

Updated on Dec. 12, 2024

3 minute read

Will a C-Section Leave My Baby with Fewer Helpful Antibodies?

Emily Oster, PhD

A parent holding a baby and adjusting the thermostat

Updated on Jun. 12, 2025

2 minute read

Will a Drafty Bedroom Make My Infant Sick?

Emily Oster, PhD

A blue box of tissue on a light blue background.

Nov. 18, 2022

2 minute read

What Is the Contagion Window for RSV?

Emily Oster, PhD

different herbs in a bowl placed on a wooden table

Updated on Oct. 28, 2025

1 minute read

What Herbs Are Safe to Eat While Breastfeeding

Emily Oster, PhD