About 85 percent of cases have no known cause, the most of the remaining ... clinically known as bovine spongiform encephalopathy (BSE). Animals can either pick up this protein by eating the ...

According to Leon Thacker, director of the Animal Disease Diagnostic Laboratory at Purdue University, mad cow disease is a popular term given to a disease of cattle known as bovine spongiform ...

CJD is rare but fatal. The UK NHS lists possible symptoms including loss of intellect and memory, changes in personality, ...