Fitness basics
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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.
Article
Blood donation
Find out what to expect during blood donation and how your blood will be used to help others.
TestProcedure
Balance exercises
Balance exercises can improve your balance and help prevent falls. See how they're done.
Article
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