To have a chemical imbalance, means that there is a balance that was there but later become imbalanced. Meaning you can rebalance yourself.

These are ways to tell if somebody is conscious

A bit useless of a post but it should help a bit

I have an idea that the Set (maybe satan) that visited him could have been Mara appearing to him and identifying to him as Satan or Set. It would make sense that Mara would use the other religions to her advantage by acting and posing as Satan to get Aquino to work for her.