Not a doctor, but: it seems the real problem with your claim is that it's patently absurd to say that a symptom can only be a symptom if it has no cause. Sympto

Not a doctor, but: it seems the real problem with your claim is that it's patently absurd to say that a symptom can only be a symptom if it has no cause. Symptoms present themselves that we might find the cause of the problem. Do you mean no cause other than a chemical imbalance? I still think that's shaky ground, but I don't really know enough to say.