Prenatal Period. -These factors include stressors in the prenatal period of the mother, for example starvation, poor nutrition and maternal infections which place added stressors on the developing fetus. Season. -Some research has shown that the risk for schizophrenia worldwide is 508% higher for those born during the winter and spring, when ...
Jan 24, 2017 · Which of the following is a risk factor for schizophrenia? Answer s: a. Children born to older fathers b. Children born to older mothers c. Children from rural settings d. Scientists have been unable to identify specific risk factors for schizophrenia
In some cases, identical twins are disconcordant for schizophrenia. While environmental factors may be the cause of this difference, prenatal factors may also play a part in that _____ twins would have greater concordance.
Which of the following is one of the factors that scientists have associated with the current trends in low-birthweight? food insecurity The dominant genetic disorder known as Huntington's disease is a fatal central nervous system disorder caused by a copy number variation of more than _____ repetitions of a particular set of three base pairs.
folic acid deficiency. Traits that are affected by many components, both genetic and environmental, are referred to as: multifactorial. In the United States about half of all home births occur because: the onset was rapid and unexpected.
A doula is a woman who: helps with the birth process. Chromosomal abnormalities can be sex-linked and therefore affect one sex more than another. A common X-linked trait expressed in boys is: color blindness. In general, genetic counseling is recommended for: women over age 35 and men over age 40.
Developmental theories suggest there are a number of risk factors for schizophrenia related to critical periods in fetal development, such as: 14 1 Schizophrenia is more common in winter and spring births. 2 Children whose mothers experienced famine during the first trimester are more likely to develop schizophrenia. 3 Pregnancy and birth complications increase the risk of developing schizophrenia.
If your brother or sister or one parent has the illness, your chance of having schizophrenia is around 10 percent. If one parent has the condition, it raises your chances of developing schizophrenia by about 13 percent. If your identical twin has the illness, you have a roughly 50 percent chance of developing schizophrenia.
People who have recently developed schizophrenia very often have antibodies to two herpes viruses in their blood, HSV (herpes simplex virus) and CMV (cytomegalovirus). Studies suggest that when certain viruses infect someone with a particular set of genes, that person is more likely to develop schizophrenia. 7
Infectious disease theories of schizophrenia are very exciting and promising. It is too early to know if researching these theories will reveal a major cause of schizophrenia, but further study will go a long way toward informing future diagnosis and treatment of the condition.
Schizophrenia clearly involves irregularities in the chemicals of the brain (neurochemicals) that allow brain cells to communicate with each other. We know this because influencing certain neurotransmitters with drugs (like amphetamine or PCP) can cause schizophrenia-like symptoms. Also, antipsychotic medications that block the action of the neurotransmitter dopamine can effectively reduce symptoms.
In fact, dopamine imbalance was once thought to be a cause schizophrenia. However, some newer agents (second generation antipsychotics), such as aripiprazole (Abilify), brezipiprazole (Rexulti) and cariprazine (Vraylar), work without blocking dopamine.
Essentially, previously undiagnosed schizophrenia can be the cause of many life-changing events, and not the other way around.