Mystery brain disorder baffles Canadian doctors

Spasms, memory loss and hallucinations among symptoms of 43 patients in Acadian region of New Brunswick province

Doctors in Canada are concerned they could be dealing with a previously unknown brain disease amid a string of cases involving memory loss, hallucinations and muscle atrophy.

Politicians in the province of New Brunswick have demanded answers, but with so few cases, experts say there are far more questions than answers and have urged the public not to panic.