[dlcarrier]

Half the time, there aren't any symptoms at all: https://pmc.ncbi.nlm.nih.gov/articles/PMC4621219/

[retinaros]

I guess the symptoms might be super hard to identify. llike a cognitive decline on some functions.

[dlcarrier]

Most of the time it's seizures, with headaches the second most common symptoms. Cognitive decline is a distant third and relatively rare.

Thru don't consume brain tissue or even live very long in the brain. The biggest problem is that cysts form around them, which can apply pressure.