or·gan·ic dis·ease
a disease in which anatomic or pathophysiologic changes occur in some bodily tissue or organ, in contrast to a functional disorder; particularly one of psychogenic origin.
(this is the medical definition of "organic", which is completely different to the chemistry definition, which I think you confused it with).
What does "organic" mean in this context? Given that it's an affliction of humans, I don't really understand how it could be non-organic.