What causes mental illness?

Etiology. Easiest way is to think of causes as Biopsychosocial. The biological is genetics. The psychological is self concept such as self-esteem. The social is environment such as stress or traumas.

Related Questions

What health issues cause mental illness to the point my marriage of 12 yrs is almost over due to my paranoia etc please help?

Paranoia. Paranoia can be a symptom in multiple mental illnesses. Proper evaluation is needed to diagnose and treat this. Some possibilities include psychotic depression, bipolar disorder, delusional disorder, schizophrenia, schizoaffective disorder, and even severe ptsd. Drug/alcohol abuse and withdrawal can also cause paranoia. Please see a psychiatrist for assessment and help. Read more...
Mental illness. This is a complex question. You should be evaluated for illness and then have a consultation with a psychiatrist about treatment.For your paranoia. Treatment can be of great benefit to you, so make the effort to get evaluated. Read more...

What is the cause of mental illness in general?

Brain dysfunction. As with most conditions, multiple genes interact resulting in some degree of vulnerability or resistance, interacting with environmental stress which can have different effects based upon when in life or how many/often they occur. Read more...