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What is Creutzfeldt-Jakob disease (CJD)?

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Creutzfeldt-Jakob disease (CJD) is a very rare disorder that causes the brain to break down.

Also called "classic" CJD, it worsens quickly. Most people die within a year of getting it.

The disease destroys brain cells. Seen through a microscope, it makes the brain look like a sponge.

Classic Creutzfeldt-Jakob disease is not the same as “mad cow disease," which only happens in cattle. It's also not linked to "variant" CJD, which comes from products made from cattle that had mad cow disease.

From: Creutzfeldt-Jakob Disease WebMD Medical Reference

SOURCES:

National Institute of Neurological Disorders and Stroke: “Creutzfeldt-Jakob Disease Fact Sheet.”

Alzheimer’s Association: “Creutzfeldt-Jakob Disease.”

Creutzfeldt-Jakob Foundation: “CJD Fact Sheet.”

CDC: “CJD (Creutzfeldt-Jakob Disease, Classic).”

Reviewed by Carol DerSarkissian on November 28, 2018

SOURCES:

National Institute of Neurological Disorders and Stroke: “Creutzfeldt-Jakob Disease Fact Sheet.”

Alzheimer’s Association: “Creutzfeldt-Jakob Disease.”

Creutzfeldt-Jakob Foundation: “CJD Fact Sheet.”

CDC: “CJD (Creutzfeldt-Jakob Disease, Classic).”

Reviewed by Carol DerSarkissian on November 28, 2018

NEXT QUESTION:

What are the three types of Creutzfeldt-Jakob disease (CJD), and what causes them?

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