<unk>  is a condition in which the brain swells due to a build up of fluid inside the skull.<unk>  literally means "water on the brain."<unk>  is dangerous and requires immediate medical attention. 60% of people who do not seek medical treatment die.
Hydrocephalus
Microcephaly
Acephaly 
Plagiocephaly
Subdural hygroma
Intraventricular hemorrhage
Brain zap
Encephalocele