Article: THE LOWDOWN ON MAD COW.(News)

Q Why is there panic over a disease in cattle?

A Because it could be spreading to humans, with fatal results.

Q WHAT is the disease, and what does it do?

A BSE, or mad cow disease. It kills by altering a protein in the body. The medical term - bovine spongiform encephal- opathy - takes its name from the fact the disease leaves sponge-like holes in the brain, leading to confusion, dementia and death.

Q DO scientists know what causes it?

A The ...

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