This has led some researchers to consider intrauterine viral infection during the winter as a risk factor. The same link, however, is found for major mood disorders, like bipolar disorder. Environmental Factors & Schizophrenia Risk. Environmental factors and stress are thought to trigger the onset of schizophrenia. For example, moving, troubled relationships, problems at work, or substance abuse may aggravate the constellation of risk factors and lead to psychosis.
Last name: Castello. This interesting name is of early medieval English topographical origin, and is derived from the Anglo-Norman French castel, castle, fortified building or set of buildings, especially the residence of a feudal lord. The name could also have denoted a servant who lived and worked at such a place.
Add your answer. Where did the last name GUERRA originate from? so far i know that the name is a well known spanish name from spain. but when i did research it states that 70% of this name originated from italy, spanish has 5 vouls and italy has 7 vouls in spanish you would say Guerra and in italy you would say Vinciguerra. can anyone help me out on this. Report Abuse.