Quit-smoking basics
Learning Center
Video: Colonoscopy
See what a doctor sees when you undergo an examination of your colon.
Quitting smoking: 10 ways to resist tobacco cravings
Each time you resist a tobacco craving, you're one step closer to stopping tobacco use for good. Use these tips to fight off cravings.
Glucose challenge test
Know how to prepare for this gestational diabetes screening test.
Shingles
Learn more about symptoms, causes, treatment and vaccine prevention of this painful condition affecting the nerves.
Bullous pemphigoid
Learn about the symptoms, treatment and self-care strategies for this blistery skin condition that affects older adults.
A1C test
Learn more about the preparation for and results of this common diabetes blood test.
Lewy body dementia
This common dementia is caused by a buildup of proteins in the brain. It affects thinking, memory and movement.
Monoclonal gammopathy of undetermined significance (MGUS)
When bone marrow produces an unusual protein in the blood, it can sometimes lead to certain types of blood cancer.
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.
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