Porphiria,
for example Acute Intermittent Porphira,
can be the true cause of Psychiatric Symptoms in some young patients, especially women.
Neuro Psychiatric symptoms arise when low molecules as Porphobilinogen and Amino Levulinic Acid, structurally mimicrying the GABA, but unable to well activate GABA trasmission, are no longer enough eliminated from the neurons.
Conversely, when tetrapirrolic derivatives are in exces, cutaneous symptoms develop when to Sun exposing.
It is possible many young schizophrenic women and men are in the truth porphirias patients.