Search
Learning Center
Hepatitis A
This contagious liver infection is caused by a virus. Learn more about its symptoms, treatment and prevention, including the hepatitis A vaccine.
Hepatitis B
This highly contagious virus can cause long-lasting problems if it goes untreated. Learn about the symptoms, treatment and prevention of this serious liver infection.
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).
Rheumatoid factor
Rheumatoid factor — This blood test can help diagnose autoimmune disorders such as rheumatoid arthritis, Sjogren syndrome and lupus.
Infectious diseases
Viruses, bacteria, fungi and parasites can all cause infection. Find out more about how to prevent and treat these conditions.
Bilirubin test
Find out what to expect from a bilirubin test — an important blood test that determines how your liver is functioning.
Hemophilia
In this inherited disorder, the blood lacks one of several clot-forming proteins. The result is prolonged bleeding, which can be life-threatening.
Cytomegalovirus (CMV) infection
Understand the symptoms and treatment of this common viral infection that can cause health problems for babies and people who have weakened immunity.
Refine Your Search
Type
- All
- Disease (5)
- TestProcedure (2)
- Article (1)
Age
- All
- 19 to 44 younger
- 45 to 64 middle
- 13 to 18 years teen
- 06 to 12 years elementary/preteen
- 00 birth to 01 month newborn
- 03 to 5 years preschool
- 02 months to 2 years infant/toddler
- 80 and over
- 65 to 80 older
Focus
- All
- Test