Fatal Familial Insomnia

Fatal familial insomnia (FFI) is a very rare autosomal dominant inherited prion disease of the brain. The dominant gene responsible has been found in just 50 families worldwide; if only one parent has the gene, the offspring have a 50% chance of inheriting it and developing the disease. The disease’s genesis and the patient’s progression into complete sleeplessness is untreatable, and ultimately fatal.

*