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Ehlers-Danlos syndrome
Learn about these complex genetic disorders that cause problems with connective tissue in the skin, joints and blood vessel walls.
Atrial septal defect (ASD)
This heart problem that is present at birth causes a hole between the heart's upper chambers. It can be treated.
Measles vaccine: Can I get the measles if I've already been vaccinated?
Is it possible to get measles from someone else if you've been vaccinated?
Neuromyelitis optica
Understand more about this condition that affects the spinal cord and eye nerves and is sometimes mistaken for multiple sclerosis.
Arteriovenous malformation
In this condition, a tangle of blood vessels affects the flow of blood and oxygen. Treatment can help.
How to treat baby eczema
Learn simple remedies to easing your baby's discomfort from the pain and irritation of this skin rash.
COVID-19 diagnostic testing
Find out how COVID-19 diagnostic testing is done to learn if you're currently infected with SARS-CoV-2, the virus that causes coronavirus disease 2019.
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.
Benign peripheral nerve tumor
Learn more about the different types of tumors that grow on or around the nerves that link to the brain and spinal cord.
Herd immunity and COVID-19: What you need to know
To protect groups of people over time, it helps to know what level of recovery or vaccination in a population makes it hard for a germ to spread.
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