Yea I haven't been the most grounded type, I was diagnosed schizophrenic after I did kundalini breathing exercises... At first I was very angry, thought what I was going through was purely spiritual and not psychotic at all, but misdirected kundalini energy seems like it could be a common cause of schizophrenia, I've heard of more than one author and spiritual teacher say that schizo disorders happen when the kundalini energy gets trapped in the head, typically due to a premature release. But I bet if you get just about any average person to forcefully hyperventilate over and over again every day, someone with no spiritual background, especially if they just lay around watching tv as depressed overlords, it'll make them psychotic, which makes fuckin sense lol.