More than 40 cases of a mysterious brain illness that resembles mad cow disease have been reported in Canada . According to CBC, the illness has similarities to the rare and fatal brain disorder known as Creutzfeldt-Jakob disease (CJD) and its variants, including bovine spongiform encephalopathy, which is also known as mad cow disease. Mysterious brain disease that resembles deadly 'Mad Cow Disease' is reported in 43 people in Canada ...