Schizophrenia is caused by a genetic malfunction. It comes on during puberty when the brain goes through major physical changes brought on by hormones.

A doctor can look at a physical brain in an autopsy and easily tell if it is schizophrenic or not. There are obvious physical abnormalities in a schizophrenic brain. They have known of this long before anyone knew of kundalini.

Schizophrenia is not dual personality. Schizophrenia manifests in thousands of different ways from person to person. It can be made worse
By drug use or by emotional trauma. Its all a crap shoot but it originates in the genes.

Schizophrenia can't be cured. The person is normal on the inside but uncontrollable thoughts rapid fire on the surface. The person has little or no control of their thoughts. It is a horrible genetic disease that I have much experience with. It runs in my family and I watched my little brother fall victim to its horrors over the course of 15 years.