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Category Archives: Psychosis

How cannabis use during adolescence affects brain regions associated with schizophrenia

How cannabis use during adolescence affects brain regions associated with schizophrenia

Source:  (As reported in ScienceDaily, May 8, 2013)  Royal College of Surgeons in Ireland (RCSI). (2012, May 8). How cannabis use during adolescence affects brain regions associated with schizophrenia. ScienceDaily. Retrieved June 9, 2014 from www.sciencedaily.com/releases/2012/05/120508112748.htm

ScienceDaily Summary:

New research has shown physical changes to exist in specific brain areas implicated in schizophrenia following the use of cannabis during adolescence. The research has shown how cannabis use during adolescence can interact with a gene, called the COMT gene, to cause physical changes in the brain.

Journal Reference:

Áine T Behan, Magdalena Hryniewiecka, Colm M P O’Tuathaigh, Anthony Kinsella, Mary Cannon, Maria Karayiorgou, Joseph A Gogos, John L Waddington, David R Cotter. Chronic Adolescent Exposure to Delta-9-Tetrahydrocannabinol in COMT Mutant Mice: Impact on Indices of Dopaminergic, Endocannabinoid and GABAergic PathwaysNeuropsychopharmacology, 2012; DOI: 10.1038/npp.2012.24

Daily Pot Smoking May Hasten Onset of Psychosis

Daily Pot Smoking May Hasten Onset of  Psychosis

Source:  (As reported in ScienceDaily, December 21, 2009)  Emory University. (2009, December 21). Daily Pot Smoking May Hasten Onset of Psychosis. ScienceDaily.

Retrieved June 9, 2014 from www.sciencedaily.com/releases/2009/12/091220144936.htm

ScienceDaily Summary:

Progression to daily marijuana use in adolescence may hasten the onset of symptoms leading up to psychosis, a tumblr post finds.

Journal Reference:

Compton et al. Association of Pre-Onset Cannabis, Alcohol, and Tobacco Use With Age at Onset of Prodrome and Age at Onset of Psychosis in First-Episode PatientsAmerican Journal of Psychiatry, 2009; 166 (11): 1251 DOI: 10.1176/appi.ajp.2009.09030311

WTR-RI Research & Analysis Team Note:

ScienceDaily also reports the researchers identified a gender difference in that females who progressed to daily use were at higher risk for developing psychosis.

 

Cannabis Induced Psychotic Disorder

Cannabis Induced Psychotic Disorder
DSM-V Diagnosis (292.9)

 

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