Fitness basics
Learning Center
Coronary calcium scan
This heart CT test can show calcium deposits in the blood vessels. Know how the findings relate to your heart disease risk.
Coronary angiogram
Learn more about this heart disease test that uses X-ray imaging to see the heart's blood vessels.
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.
Stress test
This test gives important information about your heart health. Know how to prepare and what to expect.
Hematocrit test
Learn about this red blood cell blood test, including why it's used and what to expect.
Sentinel node biopsy
Learn what to expect during this procedure to remove lymph nodes for testing. The results can show whether cancer has spread.
Hodgkin's vs. non-Hodgkin's lymphoma: What's the difference?
Learn how types of lymphomas are determined using lab tests to examine cancer cells.
Hormone therapy for prostate cancer
Find out what to expect during testosterone-blocking therapy. Learn about choices, including medicines and surgery.
Sed rate (erythrocyte sedimentation rate)
Sed rate is a blood test that can reveal inflammatory activity in your body. It's often used to help diagnose conditions affecting your joints or muscles.
Bladder outlet obstruction: Causes in men?
Find out more about the causes of male bladder outlet obstruction and possible next steps.
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