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Learning Center
Cardiac resynchronization therapy
This heart failure treatment uses a pacemaker or a pacemaker with a defibrillator. Know when the treatment is needed.
Holter monitor
This wearable device keeps track of the heart's rhythm during daily activities. Learn when you might need one and what to expect.
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.
Prostate cancer metastasis: Where does prostate cancer spread?
Prostate cancer can spread (metastasize) just about anywhere in the body, but it's most likely to spread to the lymph nodes and bones.
Vitamin D deficiency
What are the risks of too little vitamin D?
Prostatitis
Learn about tests and treatments for disorders of the prostate gland that cause pain, difficult or painful urination, and other symptoms.
Recurrent prostate infection: What are the treatment options?
These infections that keep coming back can be hard to treat. Here's what to know.
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