Nutrition basics
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Blood donation
Find out what to expect during blood donation and how your blood will be used to help others.
ANA test
An antinuclear antibody (ANA) test is one test used to help determine if you have an autoimmune disease such as lupus.
Testicular exam
Examining your testicles regularly can help you notice changes when they occur and identify testicular problems.
Bone density test
If your doctor suspects you have osteoporosis, a bone density test can assess your bone strength. Learn about the risks and results of this procedure.
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.
Facial reanimation surgery
Learn how these procedures can allow people with facial paralysis to regain the ability to smile and make other facial expressions.
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