Healthy aging: Over 50
Learning Center
Cancer survival rate: What it means for your prognosis
No one can predict the future, but cancer survival rates can give you an idea of your prognosis. Should you pay attention to them?
Glucose challenge test
Know how to prepare for this gestational diabetes screening test.
A1C test
Learn more about the preparation for and results of this common diabetes blood test.
Rheumatoid factor
Rheumatoid factor — This blood test can help diagnose autoimmune disorders such as rheumatoid arthritis, Sjogren syndrome and lupus.
Complete blood count (CBC)
Learn what to expect from having this common blood test, why it's done and how to prepare.
Human growth hormone (HGH): Does it slow aging?
Is human growth hormone treatment an anti-aging breakthrough or a scam? Know the facts.
Easy bruising: Why does it happen?
Get the facts about easy bruising. Learn about causes and find out when it's a sign of a problem.
STD testing: What's right for you?
Find out how your risk factors affect the types of tests you'll need for sexually transmitted infections (STIs).
Cancer blood tests: Lab tests used in cancer diagnosis
Blood tests used to help diagnose cancer include CBC and tumor marker tests. Other tests and procedures are needed to confirm a cancer diagnosis.
Slide show: Blood sugar testing
Blood sugar testing is an essential part of diabetes care. See how it's done.
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