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A tipped bottle spills milk across a wood table.

Updated on Oct. 22, 2025

2 minute read

Do I Really Need To Wean My Baby Off the Bottle?

Emily Oster, PhD

Water boils in a clear pot on a gas stove.

Updated on Oct. 21, 2025

2 minute read

Do I Really Need to Boil Water for Formula?

Emily Oster, PhD

Four wooden spoons with vitamin tablets and half cut orange, lime and kiwi.

Updated on Oct. 18, 2025

3 minute read

Why Do Doctors Suggest Vitamins When TTC?

Breonna Slocum, MD

Legs of people running with one person's legs in focus.

Updated on Oct. 16, 2025

9 minute read

How Sodium Bicarbonate Can (Possibly) Help You Run Faster

Emily Oster, PhD

A parent feeds baby food to a baby in a high chair.

Updated on Oct. 16, 2025

13 minute read

How to Start Solids

Emily Oster, PhD

Mother breastfeeding her newborn in bed.

Updated on Oct. 16, 2025

2 minute read

Do Nipple Shields Affect Breastfeeding Benefits?

Emily Oster, PhD

Baby bottles are drying on a towel after being washed.

Updated on Oct. 13, 2025

2 minute read

Do I Need to Sanitize Bottles?

Emily Oster, PhD

Powdered formula in a measuring spoon, next to a baby bottle.

Updated on Oct. 10, 2025

2 minute read

Is It Safe to Add Rice Cereal to Baby Formula?

Emily Oster, PhD

Bottles of kombucha tea are arranged on a wood board.

Updated on Oct. 10, 2025

3 minute read

Can I Drink Kombucha While Pregnant?

Emily Oster, PhD

electrolyte bottles placed in a shelf

Updated on Oct. 8, 2025

2 minute read

Are Electrolyte Supplements Safe During Pregnancy?

Emily Oster, PhD

Bottles of breast milk and a breast pump are arranged on a yellow cloth.

Updated on Oct. 8, 2025

3 minute read

What Causes High-Lipase Breast Milk?

Emily Oster, PhD

A pregnant person cooking in the kitchen

Updated on Oct. 8, 2025

2 minute read

When Do Pregnancy Cravings Start?

Emily Oster, PhD

A person shopping in a grocery store adds a bottle of oil to their shopping bag.
In the news

Updated on Oct. 1, 2025

9 minute read

What Are Seed Oils, and Are They Bad For You?

Emily Oster, PhD

Frozen bags of breastmilk are arranged in a wicker basket on a table.

Updated on Sep. 30, 2025

2 minute read

Should I Use Donor Milk for My Baby?

Emily Oster, PhD

A person with a pregnant belly stands in front of a green hedge and holds a marijuana leave in front of her belly.

Updated on Sep. 25, 2025

6 minute read

Cannabis in Pregnancy

Emily Oster, PhD

A person mixing formula in a bottle

Updated on Sep. 23, 2025

7 minute read

What Is Going On with Heavy Metals in Formula?

Emily Oster, PhD