Consumer health basics
Learning Center
Cataracts
Are things starting to look fuzzy or blurry? Find out about symptoms, diagnosis and treatment for this common eye condition.
Cavities and tooth decay
These areas in the hard surface of your teeth are tiny openings or holes due to damage from tooth decay. This can lead to pain, infection and tooth loss.
Cervical spondylosis
As people age, the spinal disks in the neck shrink and bone spurs often develop. If symptoms occur, nonsurgical treatments are usually effective.
Cholesterol test
Measuring the amount of cholesterol and triglycerides in your blood can help predict your risk of blocked arteries in your heart and brain.
Chronic lymphocytic leukemia
Learn about this cancer that forms in white blood cells called lymphocytes. Treatments include chemotherapy, targeted therapy and immunotherapy.
Circumcision (male)
Learn about the benefits and risks of surgery to remove the skin that covers the tip of the penis.
Claudication
Too little blood flow to the legs and arms can cause pain, especially during exercise. Learn more about diagnosing and treating intermittent claudication.
Cochlear implants
This electronic device improves hearing in people who have severe hearing loss from inner ear damage.
Colon cancer screening: At what age can you stop?
Some groups recommend people over 75 may consider stopping colon cancer screening. Not everyone agrees. Learn about your colon cancer screening options.
Colon polyps
Have you had your colonoscopy? Colon polyps typically don't cause symptoms, so it's important to have regular screenings.
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