Is Vanessa Ives insanity metaphor for real mental illness?

curiousnorway
Spoiler Alert!
Vanessa Ives in penny dreadful is a witch who gets possessed by demons (like the devil) and therefor behaves like an insane person. She later on gets sent to a mental asylum. I don't know why she gets possessed, what the thing with satan is about and why it wants to attack her.

I'm wondering if it's "real" and really happening in the show or if it's support to symbolize real life mental illness. Also wondering if Vanessa is a human or just a witch since she doesn't always use magic. #PennyDreadful #TvShow #Mentalillness
Is Vanessa Ives insanity metaphor for real mental illness?
Is Vanessa Ives insanity metaphor for real mental illness?
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