Toddler health
Learning Center
How opioid use disorder occurs
Opioids act on the brain in powerful and potentially dangerous ways. Find out why no one is safe from opioid use disorder and learn what raises the risk.
Twin pregnancy: What twins or multiples mean for mom
Twin pregnancy or other multiples? Here's help taking care of yourself — and your babies.
Dense breast tissue: What it means to have dense breasts
Find out what it means if your mammogram report says you have dense breast tissue. Learn about additional breast cancer screening tests to consider.
How well do face masks protect against COVID-19?
Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and how to use them.
Working during pregnancy: Do's and don'ts
Working during pregnancy? Here's how to have a healthy, productive nine months on the job.
High blood pressure and pregnancy: Know the facts
Concerned about high blood pressure during pregnancy? Find out what you can do to reduce your risk of complications.
How you hear
Your ears enable you to gather and interpret sounds from the world around you.
Headaches and hormones: What's the connection?
Headaches are part of life for many people. Understand how hormones can play a role.
Fetal ultrasound
Look at ultrasound images and learn how to understand what you're seeing.
Pregnancy after 35: Healthy pregnancies, healthy babies
Pregnancy after 35 takes special care. Here's help giving your baby the best start.
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