Fitness basics
Learning Center
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.
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.
Genetic testing
Genetic testing: Learn why it's done, how to prepare and what to expect from diagnostic tests, carrier tests, prenatal tests and newborn screening.
HPV test
The HPV test can help identify your risk of cervical cancer. Learn more about how to prepare and what your results may mean.
CT scan
This imaging test helps detect internal injuries and disease by providing cross-sectional images of bones, blood vessels and soft tissues inside the body.
Tonsillectomy
Learn how to prepare for a tonsillectomy and what to expect from the surgery.
Molecular breast imaging
Learn about this breast cancer screening test that's sometimes used in addition to mammograms, especially for those with dense breast tissue.
Minimally invasive heart surgery
Learn more about this surgery that uses small incisions in the chest as an option to open-heart surgery.
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