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A drop of milk splashes against a blue background to illustrate lab-produced breastmilk.

Feb. 22, 2024

2 minute read

Why Isn't There Synthetically-Produced Breast Milk?

Emily Oster, PhD

A person shows of a bandaid on their arm after a flu shot.

Feb. 22, 2024

3 minute read

When Is the Best Time to Get a Flu Shot?

Emily Oster, PhD

Young child examines a hard-boiled egg at the dinner table.

Updated on Oct. 21, 2025

4 minute read

Preventing Food Allergies

Emily Oster, PhD

Three siblings are sick at home, coughing and sneezing into tissues.

Feb. 20, 2024

7 minute read

Are Younger Siblings Worse Off?

Emily Oster, PhD

A measuring tape spirals across a yellow baackground

Feb. 20, 2024

6 minute read

Perimenopausal Weight Gain

Gillian Goddard, MD

Yellow supplement pills are seen on a robin's egg blue background.

Feb. 16, 2024

2 minute read

Can I Take Marine Collagen Supplements While Pregnant?

Gillian Goddard, MD

Curly pipe cleaners spring out of a pipe-cleaner head to illustration cognitive chaos.

Feb. 16, 2024

3 minute read

Is PCOS Linked to Cognitive Decline?

Gillian Goddard, MD

A view of a drugstore counter and pharmacy shelf with boxes.

Feb. 16, 2024

3 minute read

Should I Use a Menopause Test?

Gillian Goddard, MD

ParentData podcast cover art

Feb. 15, 2024

24 minute read

Household Division of Labor

Emily Oster, PhD

A tiny baby drinks from a bottle.

Feb. 15, 2024

2 minute read

Can I Use Ozempic While Breastfeeding?

Emily Oster, PhD

A child sprawls across a bed.

Updated on Dec. 5, 2024

1 minute read

When Should I Worry if My Child Still Needs a Pull-Up at Night?

Emily Oster, PhD

A thermometer is seen on a bright red background.

Feb. 15, 2024

2 minute read

Does Getting Sick Give You More Immunity Than Getting a Vaccine?

Emily Oster, PhD

A "get well soon" balloon is seen against a hospital room.

Updated on Dec. 10, 2025

2 minute read

Should I Really Feel “Recovered” From Childbirth at Six Weeks?

Emily Oster, PhD

Person in a white tee shirt cools off by a fan.

Updated on Oct. 23, 2025

6 minute read

Are Hot Flushes Really Linked to Heart Problems?

Gillian Goddard, MD

A small fan is pictured next to a cup of coffee and a laptop.

Updated on Oct. 23, 2025

2 minute read

How Do I Know I'm In Perimenopause?

Gillian Goddard, MD

An IUD is seen on a blue and yellow background.

Updated on Oct. 23, 2025

3 minute read

Do I Have to Take Out My IUD to Know I Hit Menopause?

Gillian Goddard, MD