Monkey Puzzle Tree (Araucaria araucana) - 5 Years Old - Gorgeous Tree 16 inch. Â£9.99; Postage not specified
Creutzfeldt-Jakob disease (CJD) is a rare, degenerative, invariably fatal brain disorder. It affects about one person in every one million people per year worldwide; in the United States there are about 300 cases per year. CJD usually appears in later life and runs a rapid course.
Mad cow disease is a prion prions are known for causing a number of degenerative brain diseases in various animals Viroids ONLY exist in plants and cause errors in regulatory systems that control plant growth. They always exist withing host cells. Therefore there is no example in humans.