First detected in November 1986 in the United Kingdom, BSE is a transmissible, neuro-degenerative brain disease in cattle. It is believed that the disease can cross the species barrier from cows to humans. On the other hand, vCJD can affect younger people. Initial symptoms include mood swings, numbness and uncontrolled movements. The disease eventually destroys the mind.
Death usually occurs about four months after symptoms first appear.
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