Appearances for them, fod may taste peculiar to them, oors may become repulsive, sunds may become either unbearable loud or scarcely audible. Rgarding the root cause of this chronic mental disorder, rsearchers are still uncertain whether it is a biological disorder or a transitory emotional disorder brought about by environmental cause, a they explain their current understanding based on their study research that no specific gene has yet discovered, nr biochemical has been confirmed responsible, nr particular stressful event that sufficiently stimulate schizophrenia (Sumrall, 2003). Bt even no can cause this mental disease by itself, sientists have accepted the fact that the closer one’s blood relationship to a schizophrenic, mst likely he or she will become afflicted because it runs in families.
Bt additionally, sientists also believe that environmental factors, sch as exposure to certain viruses or malnutrition before birth, o any other yet unknown psychosocial factors and problems during birth, ae contributors to development of this illness (NIMH, 2009). Tus, udoubtedly, shizophrenia as an inherited mental disease is a well-established fact. I fact, a genes of being transferred to their children, aout 10% of probabilities to children of either a father or a mother is a schizophrenic tend to develop the disease, wile approximately 50% to children whose parents are both schizophrenic 2001).
I is now well-established that genes play a role in the development of schizophrenia. Gnetic research, wich involve studies on family, tin and adoption scheme while employing neurological and clinical observations, hve been performed to provide basis of genetic transmission of cases of schizophrenia. Oe employed scheme is through comparing the rates with the monozygotic twins (MZ), wo share 100% of their genetic substance, aainst dizygotic twins (DZ), wo share only 50% of their genetic material.
Te results revealed an approximate concordance rate of 53% for MZ pairs while 15% for DZ pairs, hnce, tree times more likely MZ twins has genetically components of schizophrenia as compared to DZ twins. Mreover, cildren born to non-schizophrenic parents but were adopted and raised by schizophrenic parent did not show up probable rates of schizophrenia (Faraone, Tylor & Tsuang, 2002). Nvertheless, snce specific gene found to be responsible. ..
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