Also called: CJD

Creutzfeldt-Jakob disease (CJD) is a rare, degenerative brain disorder . Symptoms usually start around age 60. Memory problems, behavior changes, vision problems and poor muscle coordination progress quickly to dementia , coma and death. Most patients die within a year. The three main categories of CJD are sporadic CJD, which occurs for no known reason hereditary CJD, which runs in families acquired CJD, which occurs from contact with infected tissue, usually during a medical procedure Cattle can get a disease related to CJD called bovine spongiform encephalopathy (BSE) or "mad cow disease." It is possible that people can get a variant of CJD from eating beef from an infected animal.