Fitness basics
Learning Center
Positron emission tomography scan
Learn how this imaging scan can play an important role in early detection of health problems, such as cancer, heart disease and brain disorders.
Endoscopic ultrasound
Learn more about this minimally invasive imaging test combining endoscopy and ultrasound to diagnosis digestive and lung diseases.
Stress test
This test gives important information about your heart health. Know how to prepare and what to expect.
Bone marrow transplant
Learn about this procedure that replaces unhealthy bone marrow with stem cells. Your own cells, donor cells or cells from umbilical cord blood may be used.
Feminizing hormone therapy
Find out more about feminizing hormonal treatment used to better align the body with a person's gender identity.
Epilepsy surgery
Surgery may provide relief from epileptic seizures when medications aren't working.
Proton therapy
Learn about this newer form of radiation therapy, used to treat cancer and noncancerous tumors, and how it's different from X-ray radiation.
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.
Hematocrit test
Learn about this red blood cell blood test, including why it's used and what to expect.
Ileoanal anastomosis (J-pouch) surgery
This surgery removes the large intestine. It's often done to treat ulcerative colitis and other bowel conditions.
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