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A blue box of tissue on a light blue background.

Updated on Mar. 11, 2026

2 minute read

What Is the Contagion Window for RSV?

Emily Oster, PhD

A young child seated at a table holds a peanut. He is seated behind a bowl of peanuts.

Updated on Mar. 10, 2026

9 minute read

Oral Immunotherapy for Allergies

Emily Oster, PhD

Child spreading peanut butter on bread, while her parents eat

Updated on Mar. 9, 2026

4 minute read

What’s the Data on Xolair for Food Allergies?

Emily Oster, PhD

Red meat on grill.
In the news

Updated on Mar. 8, 2026

11 minute read

Is Red Meat Bad for Your Health?

Emily Oster, PhD

an adult giving food to a kid using spoon

Updated on Mar. 5, 2026

3 minute read

How Should I Navigate My Kid's Relationship to Food?

Emily Oster, PhD

A felt illustration of a child in bed with a green monster under the bed.

Updated on Mar. 5, 2026

3 minute read

Why Is Bedtime Suddenly Impossible?

Emily Oster, PhD

kid falling from bike and holding the leg while an adult is checking

Updated on Mar. 4, 2026

3 minute read

How Do I Know When to Let My Kid Take Risks?

Emily Oster, PhD

One kid teaching 4 other kids

Updated on Mar. 4, 2026

2 minute read

What’s the Data Behind Dual Language Immersion Programs?

Emily Oster, PhD

A window in a house is lit up in the night with a full moon.

Updated on Mar. 3, 2026

2 minute read

How Can I Nighttime Potty Train My Child?

Emily Oster, PhD

kid is pouring milk in glass

Updated on Mar. 3, 2026

2 minute read

Is Dairy Bad for Kids when They’re Sick?

Emily Oster, PhD

Four tablespoons of various kinds of salt are pictured on a marble background.

Updated on Mar. 3, 2026

2 minute read

How Much Sodium Do I Need?

Emily Oster, PhD

Three crackers on a white background

Updated on Mar. 3, 2026

2 minute read

Are Lunchables Okay for Kids?

Emily Oster, PhD

Two kids twirling flags in front of their school.

Updated on Mar. 3, 2026

3 minute read

Should We Move to a Better School District?

Emily Oster, PhD

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

Updated on Mar. 3, 2026

3 minute read

Is My Toddler Overeating?

Emily Oster, PhD

Toddler sleeping in bed with elephant stuffed animal

Updated on Mar. 3, 2026

2 minute read

What Age Should My Child Be Nighttime Potty Trained By?

Emily Oster, PhD

A person washing berries in the sink.

Updated on Mar. 3, 2026

1 minute read

Should You Wash Berries Before Eating Them?

Emily Oster, PhD