Consumer health basics
Learning Center
COVID-19, cold, allergies and the flu: What are the differences?
Knowing if you have COVID-19, a cold, the flu or seasonal allergies isn't easy. Find out about the differences between these illnesses.
Different types of COVID-19 vaccines: How they work
Find out how different COVID-19 vaccines cause your body to create antibodies that will fight the COVID-19 virus.
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.
Vaginal tears in childbirth
Vaginal tears during childbirth are common. Learn about different kinds of vaginal tears and how they can be treated.
Fetal ultrasound
Look at ultrasound images and learn how to understand what you're seeing.
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