HEALTH TOPICS 
Hydrocephalus
What Is It?
Hydrocephalus, also known as "water on the brain," is a condition in which there is extra cerebrospinal fluid around the brain and spinal cord. Cerebrospinal fluid acts as a cushion for the brain and spinal cord, supplies nutrients, and takes away waste products.
Hydrocephalus can be present at birth (congenital) or can develop later (acquired).
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