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An adorable bald baby.

Updated on Nov. 19, 2025

2 minute read

When Will My Baby’s Hair Start Growing?

Emily Oster, PhD

Child drinking at water fountain
In the news

Updated on Nov. 20, 2025

9 minute read

Is There Too Much Fluoride in Drinking Water?

Emily Oster, PhD

A father holding the hands of his son.

Updated on Nov. 17, 2025

4 minute read

How Much Does Having an Absent Parent Affect Children?

Karey O’Hara

a person with two babies and having vegetables on the table

Updated on Nov. 19, 2025

2 minute read

How Important Are Green Vegetables, Really?

Emily Oster, PhD

An array of used tissues and cold medicines on a yellow background.

Updated on Nov. 19, 2025

2 minute read

Why Aren't There Better Breastfeeding-Safe Medicines?

Emily Oster, PhD

A baby sits with a pile of salt shakers looking stern.

Updated on Nov. 17, 2025

7 minute read

Can Babies Have Salt?

Emily Oster, PhD

A baby holding a parent's finger.

Updated on Nov. 13, 2025

8 minute read

The State of Parental Leave

Emily Oster, PhD

A toddler eating with a spoon.

Updated on Nov. 12, 2025

2 minute read

What's the Right Portion Size for Toddler Meals?

Emily Oster, PhD

A breast pump and a bottle.

Updated on Nov. 12, 2025

8 minute read

Everything You Need to Know About Pumping

Emily Oster, PhD

Infant standing against window.

Updated on Nov. 12, 2025

3 minute read

Should My Baby Wear a Helmet While Learning to Stand and Walk?

Adam Davis, MD

Twins standing outdoors.

Updated on Nov. 12, 2025

2 minute read

Do Children Behave Differently for Caregivers Than Parents?

Emily Oster, PhD

Parent and baby in swimming pool

Updated on Nov. 11, 2025

3 minute read

Are Chlorine Pools Safe for Babies?

Emily Oster, PhD

Close-up of HFMD blisters on a child's feet.

Updated on Nov. 11, 2025

7 minute read

Everything You Need to Know About Hand, Foot, and Mouth

Emily Oster, PhD

Red analog televisions are arranged on a yellow background.

Updated on Nov. 10, 2025

3 minute read

How Harmful to Babies Is It to Have the TV on in the Background?

Emily Oster, PhD

A small child smiles as they peep over the side of a white bathtub.

Updated on Nov. 10, 2025

2 minute read

Is It Safe to Bathe My Baby During a Lightning Storm?

Emily Oster, PhD

Small child laying on their parent in bed with a stuffed animal.

Updated on Nov. 10, 2025

2 minute read

How Can I Get My Child to Sleep in Their Own Bed?

Emily Oster, PhD