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20 Diseases You've Probably Never Heard Of


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CADASIL (Cerebral Autosomal Dominant Arteriopathy with Subcortical Infarcts Leukoencephalopathy)
This rare genetic disorder causes multiple strokes.
This rare genetic disorder causes multiple strokes.
Craig Zuckerman/Visuals Unlimited/Getty Images

This rare genetic disorder causes multiple strokes in adults, even young adults, and may progress to cause cognitive impairment and dementia. The symptoms of CADASIL are caused by damage to small blood vessels, especially those in the brain. Also known as Hereditary Multi-infarct Dementia, the symptoms and progression of the disease vary widely.

Read More About the Disease From NORD


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