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A pregnant person sprawls across a bed, with the window open on a hot day.

Updated on Mar. 17, 2025

6 minute read

How Important Is Side Sleeping when Pregnant?

Emily Oster, PhD

A blackboard shows translations of Spanish and English words.

Jul. 20, 2020

9 minute read

Language, Bilingualism, and Kids

Emily Oster, PhD

A pregnant person looking in the mirror and applying face cream.

Updated on Jun. 11, 2025

8 minute read

Retinol and Other Acne Treatments Before, During, and After Pregnancy

Emily Oster, PhD

A child with Downs Syndrome hugs a parent around the neck on a sunny day.

Jul. 6, 2020

7 minute read

Ableism, Disability, and Love

Emily Oster, PhD

A girl stands with her hair over her face and a mask over her hair, with arms crossed, in front of a blue background.

May 14, 2020

3 minute read

Are We Missing Important Germ Exposure?

Emily Oster, PhD

Teacher and students learn letters in a kindergarten class.

Apr. 27, 2020

2 minute read

Screens and Autism

Emily Oster, PhD

A baby lies on their tummy chewing on a teething ring and smiling.

Apr. 27, 2020

4 minute read

Does Teething Cause Fever?

Emily Oster, PhD

Close-up of a pregnant belly with monitors wrapped around.

Apr. 2, 2020

6 minute read

Is Inducing at 39 Weeks Better for the Baby?

Emily Oster, PhD

A kid sits on the floor at the foot of a bed with their legs propped up on some furniture. The kid is engrossed with a phone.

Mar. 27, 2020

3 minute read

Does Screen Time Impact Cognitive Development?

Emily Oster, PhD

A boy with sticky dough all over his hands laughs while helping in the kitchen.

Mar. 11, 2020

1 minute read

Recommended Cookbook for Kids

Emily Oster, PhD

Woman nurses her baby while seated on a couch.

Mar. 11, 2020

1 minute read

Fast Facts: Breastfeeding Trends

Emily Oster, PhD

Nitrous oxide hookup in a medical setting

Mar. 11, 2020

5 minute read

Nitrous in Labor for Pain Relief

Emily Oster, PhD

Close up of hand swatting mosquito off arm.

Updated on Dec. 12, 2024

1 minute read

How Worried Should I Be About Zika?

Emily Oster, PhD

Blood sample lies on an allergy test sheet.

Feb. 26, 2020

3 minute read

Antibiotics and Allergies

Emily Oster, PhD

A pair of black boxer briefs hang from clothes line against a blue sky.

Updated on Apr. 18, 2025

2 minute read

What Negatively Impacts Male Fertility?

Emily Oster, PhD

Three older men walk together on a sidewalk while having a conversation.

Updated on Apr. 18, 2025

6 minute read

Does Sperm Get Worse With Age?

Emily Oster, PhD