Infectious Foie Gras?

By Janet Raloff, 15:57 PM April 15, 2008

Amyloid, a term for a misfolded form of an otherwise normal protein, is most often associated with amyloid-beta, the waxy protein that builds up in the brains of people with Alzheimer's disease. But at least 20 other kinds of amyloid, each derived from a different protein, can crop up in various parts of the body. What such malformed proteins have in common is their hairlike shape and tendency to compromise the function of the organ in which they reside.

At least one food—the fatty delicacy k...

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