Fatal familial insomnia (FFI) is a rare genetic condition that affects your brain and central nervous system. It causes you to have trouble sleeping (insomnia), memory loss (dementia) and muscle twitching. FFI is degenerative, which means symptoms get more severe over time. Symptoms of the condition are life-threatening and there’s no cure. Studies are ongoing to find treatment options to reduce the progression of symptoms and extend the life of people diagnosed with this condition.

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