A controversial theory about the cause of multiple sclerosis
that has given new hope to thousands of patients suffered a
setback as two new studies for the first time threw doubt on the
findings. Pioneered by Italian physician Paolo Zamboni, the
theory suggests that MS is a vascular disorder caused by vein
blockages that lead to a buildup of iron in the brain, rather
than an autoimmune disease, and can be treated by a simple
surgical procedure - angioplasty. While the procedure has yet to
undergo clinical trials in Canada, MS patients here have shelled
out thousands of dollars for the unproven and experimental
treatment in countries such as India and Poland. Last week,
Saskatchewan Premier Brad Wall announced his province would
finance clinical trials, despite caution expressed by other
premiers, the MS Society of Canada and others in the medical
community. New research from Germany and Sweden that provides
the first negative medical evidence on Dr. Zamboni's theory
could bolster the campaign of critics. The