Over the years, science has made huge advances in medicine to deal with some of the most terrible and rare diseases. However, there are still some out there that still leave the healthcare community baffled. Maybe one day these disease will be cured ,but for now they remain mysterious and difficult to treat.
20. Sweating sickness
First noted in England way back in 1485, this disease starts with shivers and headache , profuse sweating follows and then death. Its contagious and has become an epidemic 6 times already in Europe.