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Eggs in a basket.

Updated on Dec. 15, 2025

3 minute read

Do Alcohol and Marijuana Affect Egg Quality?

Emily Oster, PhD

formula milk in feeder

Updated on Dec. 10, 2025

2 minute read

Why Is There a Daily Serving Limit for Formula but Not Breast Milk?

Emily Oster, PhD

A diet coke in a glass with ice cubes.

Updated on Dec. 4, 2025

7 minute read

How Bad Is Diet Coke for You, Really?

Emily Oster, PhD

fruits and capsules placed on a table

Updated on Dec. 2, 2025

2 minute read

Can You Still Take Prenatal Vitamins After Pregnancy?

Emily Oster, PhD

A baby sleep stretched across a white pillow.

Updated on Dec. 2, 2025

2 minute read

Should I Wake My Baby to Feed Them?

Emily Oster, PhD

baby sitting on couch and drinking water through a feeder

Updated on Dec. 2, 2025

2 minute read

When Can Babies Drink Water?

Emily Oster, PhD

A person smoking outside.

Updated on Dec. 2, 2025

8 minute read

Is Your Substance Use Affecting Your Sperm?

Emily Oster, PhD

A toddler finishing milk from his bottle while the parent is trying to take it.

Updated on Nov. 26, 2025

3 minute read

What Should I Do If My Toddler Refuses to Give Up Bottles?

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 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

People putting Thanksgiving turkey on a dressed table.

Updated on Nov. 19, 2025

2 minute read

Pregnant and Nervous About Thanksgiving Dinner

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 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

Athletic greens on table

Updated on Nov. 10, 2025

3 minute read

Can I Take AG1 While Pregnant?

Emily Oster, PhD

putting peanut butter on bread

Updated on Nov. 5, 2025

2 minute read

Does a Nut Allergy Increase Your Chances of Other Reactions?

Emily Oster, PhD

different herbs in a bowl placed on a wooden table

Updated on Oct. 28, 2025

1 minute read

What Herbs Are Safe to Eat While Breastfeeding

Emily Oster, PhD