In the article "Genetic analysis yields new insights into PTSD", a study conducted by researchers at Yale and the University of California-San Diego (UCSD) has uncovered that there are genetic similarities between PTSD and other mental disorders such as anxiety and bipolar disorder. Researchers are also trying to identify the genetic cause of neuropsychiatric diseases. There are various symptoms between PTSD and other mental health disorders. There are three clinical symptoms linked to just PTSD which are re-experience of a traumatic event, anger and irritability, ad avoidance of subject relating to past trauma. The gene variants are also found in disorders like depression. Drugs used for major depression or schizophrenia can be used to treat PTSD. The gene MAD1L1 of PTSD which regulates cell cycling, is also found in schizophrenia and bipolar disorder patients. The specific gene can be a general risk factor for people of different kinds of mental or behavioral disorders.
https://news.yale.edu/2021/01/28/genetic-analysis-yields-new-insights-ptsd
https://www.nimh.nih.gov/health/topics/post-traumatic-stress-disorder-ptsd
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