Infant health
Learning Center
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.
HER2-positive breast cancer: What is it?
HER2-positive breast cancer tends to be more aggressive than other types of breast cancer. Treatments that target HER2 are very effective.
Spitting up in babies: What's normal, what's not
Spitting up in babies is common — and usually nothing to worry about.
Multiple sclerosis
This nervous system disorder causes a range of symptoms — and while there's no cure, it's possible to have long periods of remission.
Common baby rashes
You might expect a baby's skin to be flawless, but rashes and other skin conditions are common. Find out when treatment can help.
Helping baby sleep through the night
Help your baby sleep through the night.
Signs of labor: Know what to expect
Learn what you can expect as your due date approaches and your body prepares for delivery.
Mayo Clinic Minute: What is hearing loss?
Learn about hearing loss types and causes.
Video: How cancer spreads
Watch this video to see how cancer spreads (metastasizes).
Types of dermatitis
Learn to identify types of dermatitis by how the skin looks. Examples include atopic dermatitis, contact dermatitis and seborrheic dermatitis.
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