The chance of the child having schizophrenia when both parents have schizophrenia is about 37%. There is no data available for other combinations of illnesses, for example if one parent has schizoaffective disorder and the other has schizophrenia.
Schizophrenia is a noun, so you use it as you would any other noun (when it is appropriate). Example: Joe developed schizophrenia last spring.
Yes. Although most people with schizophrenia have other health conditions, especially substance abuse disorder, many only have schizophrenia.
is less responsive to treatment.
There is no specific type of schizophrenia that is associated with self-harm. Self-harm in schizophrenia is generally associated with delusions. For example, a patient with schizophrenia may believe that if he or she cuts off a finger then the world will be saved. Because self-harm in schizophrenia is associated with delusions, patients with paranoid schizophrenia or undifferentiated schizophrenia may be more likely to self-harm than patients with other types of schizophrenia.
Schizophrenia or any mental health issue is not spread or contagious.
Catatonic schizophrenia is probably the most severe type. This type of schizophrenia can prevent someone from moving for days and from functioning normally at all. With the other types of schizophrenia, at least some normal function exists.
A type of schizophrenia known as catatonic can effect the skin (with insensitivity to pain) and can effect muscle control. Generally, the other types of schizophrenia effect only the mind.
Yes. Schizophrenia is partly genetic, meaning that if you have a relative with schizophrenia you are likely to also have schizophrenia. About 1/10 of people with a relative with schizophrenia develop schizophrenia, compared to 1/100 people without a relative with schizophrenia.
People with schizophrenia usually have normal cognitive function at the beginning of the course of schizophrenia.
No. This follows the same rule as any other medical condition: no capitalization unless of a proper name, so: "cancer, schizophrenia, Graves' disease." And, while many people do capitalize it, for some reason, you can find corroboration for not doing so at the National Institute for Mental Health's website or in by checking scholarly articles on the subject.
Residual schizophrenia is caused by a partial recovery from schizophrenia. For an explanation of what causes schizophrenia, please see the related question.