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Cryoglobulinemia

When atypical proteins in the blood clump together at temperatures below 98.6 F (37 C),…

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Cryotherapy for prostate cancer

Find out how very cold temperatures are used to freeze tissue and treat prostate cancer.…

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CSF leak (Cerebrospinal fluid leak)

Cerebrospinal fluid leaks may start in the brain or spine, causing headaches, dizziness and other…

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CT coronary angiogram

Learn about the risks and results of this imaging test that looks at the arteries…

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CT scan

This imaging test helps detect internal injuries and disease by providing cross-sectional images of bones,…

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Curcumin: Can it slow cancer growth?

Some research suggests that curcumin may help prevent or treat cancer.

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Cushing syndrome

High levels of the hormone cortisol in your body cause this endocrine disorder. Learn about…

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Cutaneous B-cell lymphoma

Find out more about the symptoms, diagnosis and treatment of this type of non-Hodgkin lymphoma.

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Cutaneous T-cell lymphoma

Learn about this type of non-Hodgkin lymphoma that attacks the skin. Find out about symptoms,…

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Cuts and scrapes: First aid

Following guidelines to care for minor cuts and scrapes can help you avoid infection and…

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Cuts of beef: A guide to the leanest selections

Whether you're watching your health or your weight, you can still enjoy this type of…

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Cyclic vomiting syndrome

This condition often starts in childhood and is marked by spells of vomiting several times…

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Cyclothymia (cyclothymic disorder)

Also called cyclothymic disorder, this mood disorder causes emotional ups and downs that are less…

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Cystic fibrosis

This condition, passed down in families, causes damage to the lungs, digestive system and other…

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Cystitis

Cystitis is a condition that affects the bladder. It happens most often when bacteria cause…

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Cystoscopy

This imaging exam uses a hollow tube with a lens to show the inside of…

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Cytochrome P450 (CYP450) tests

CYP450 tests may help find out how your body processes an antidepressant. The tests are…

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Cytomegalovirus (CMV) infection

Understand the symptoms and treatment of this common viral infection, which can cause serious health…

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Daily aspirin therapy: Understand the benefits and risks

Daily aspirin therapy may be lifesaving for some people. Know if taking a daily low-dose…

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Dandruff

Find out what causes a flaky scalp and which medicated shampoos and self-care tips can…

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Dark circles under eyes

Overview covers causes, remedies for this common symptom.

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DASH diet: Guide to recommended servings

Use this chart of DASH diet recommended servings by food group to plan healthy meals…

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DASH diet: Healthy eating to lower your blood pressure

This way of eating can help control blood pressure and boost health in other ways.…

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DASH diet: Sample menus

Interested in following the DASH diet? Here are sample menus to get you started.

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De Quervain tenosynovitis

This painful condition affects the tendons on the thumb side of the wrist. A splint…

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Debunking COVID-19 myths

Some information you come across about COVID-19 may be out of date or false. Learn…

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Deceased-donor kidney transplant

Find out more about deceased-donor kidney transplant, a treatment for end-stage kidney disease.

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Deep brain stimulation

Learn how electrical stimulation of the brain can be used to treat conditions such as…

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Deep vein thrombosis (DVT)

This potentially serious condition can occur with few or no symptoms. Know the risk factors.

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Degenerative changes in the spine: Is this arthritis?

Degenerative changes in the spine visible on X-rays indicate osteoarthritis of the spine.

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