Fitness basics
Learning Center
Stool DNA test
Learn about this noninvasive colon cancer screening test that can detect DNA changes in cells collected from a stool sample.
Virtual colonoscopy
Unlike other colon cancer screening tests, this imaging test doesn't use a scope to examine your colon. Learn how it works and what to expect.
Breast cancer surgery
Learn about the types of operations used to treat breast cancer, including lumpectomy, mastectomy, lymph node surgery and breast reconstruction.
Knee replacement
Knee replacement surgery can relieve pain and restore function to a knee joint that's severely damaged, usually by arthritis.
Allergy skin tests
Considering skin testing for your allergies? Learn about the risks, results and what to expect during testing.
Bone marrow biopsy and aspiration
Learn what to expect with these tests, which are done to make sure your bone marrow is healthy.
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.
3D mammogram
Find out what to expect during a 3D mammogram to look for breast cancer. Learn how this newer test compares to a standard mammogram.
Gender-affirming (transgender) voice therapy and surgery
Learn how voice therapy and surgery can help achieve a communication style to match gender identity.
Intraoperative magnetic resonance imaging (iMRI)
Find out how neurosurgeons use intraoperative magnetic resonance imaging (iMRI) during brain surgery.
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