Studying Psychotic Symptoms in Marijuana Smokers at High Psychosis Risk

A small pilot study published September 17, 2017 in Psychiatry Research finds that marijuana can cause a temporary increase in psychotic-like states in people who are at high clinical risk for psychotic disorders. The preliminary study, which involved 12 young adults who reported weekly marijuana use, is the first to test the drug’s effects in people at high clinical risk for psychotic disorders under controlled laboratory conditions.

https://www.bbrfoundation.org/content/studying-psychotic-symptoms-marijuana-smokers-high-psychosis-risk 

Psychopathology of the 21st Century: Application to Schizophrenia

Failure of the disease model of Schizophrenia during the 20th century

At the turn of the twentieth century, Kraepelin conceptualized the disease model of dementia praecox (schizophrenia) and his classification model was enshrined in Western psychiatry for more than a century [3]. The disease model of schizophrenia included three core symptoms (delusions, hallucinations and disorganized thoughts) that were included in all diagnostic systems because they were the most frequently reported by patients [4]. The inclusion of three different groups of symptoms into the disease model of schizophrenia goes against the tenet of the disease model of classification because two patients with totally different symptoms can have the same diagnosis.

To read the complete article click on the link below.

http://austinpublishinggroup.com/schizophrenia/fulltext/schizophrenia-v4-id1030.php

Genome-Wide Studies Aid Investigation of Dual Diagnosis of Schizophrenia and Substance Use Disorder

Several new genome-wide investigations of schizophrenia and substance-use disorders are helping researchers understand how these two conditions may be related, according to a paper published in Genome Medicine.

To view the rest of this article click on the link below.

https://www.bbrfoundation.org/content/genome-wide-studies-aid-investigation-dual-diagnosis-schizophrenia-and-substance-use