These include both environmental and genetic influences. Environmental factors could be anything that has influenced your life after birth and shaped you into the person you are. Possible environmental causes of schizophrenia include: low oxygen levels during birth, exposure to a virus during infancy, physical or sexual abuse as a child, and early parental loss or separation (Help Guide). Schizophrenia also has strong heredity causes. People who have a parent or sibling with the disorder have a ten percent chance of developing it, as opposed to the one percent chance of the general population (Help …show more content…
These include delusions, hallucinations, disorganized speech, disorganized behavior, and “negative” symptoms (Help Guide). Delusions occur when one thinks they have obvious evidence of something, but in reality, he or she made it all up in his or her head. The affected person may often think that someone is out to get him or her, or may feel constantly watched or monitored by some outside force or person. He or she gets angry when no one takes what he or she is saying seriously, and will often act out in anger or violence. This is a commonality between 90% of all schizophrenic affectees (Help