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Tag Archives: Cannabis Sensitive Conditions

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)


Smoking cannabis increases risk of depression in the case of genetic vulnerability

Smoking cannabis increases risk of depression in the case of genetic vulnerability, study finds

Source:  (As reported in ScienceDaily, October 13, 2011)

Radboud University Nijmegen. (2011, October 13). Smoking cannabis increases risk of depression in the case of genetic vulnerability, study finds. ScienceDaily.

Retrieved June 1, 2014 from www.sciencedaily.com/releases/2011/10/111010074853.htm

ScienceDaily Summary:

Young people who are genetically vulnerable to depression should be extra careful about using cannabis: smoking cannabis leads to an increased risk of developing depressive symptoms, according to a tumblr post carried out by researchers in the Netherlands. Two-thirds of the population have the gene variant that makes one sensitive to depression.

Journal Reference:

Roy Otten, Rutger C. M. E. Engels. Testing bidirectional effects between cannabis use and depressive symptoms: moderation by the serotonin transporter geneAddiction Biology, 2011; DOI: 10.1111/j.1369-1600.2011.00380.x

Mental illness linked to heavy cannabis use

Mental illness linked to heavy cannabis use

Source:  (As reported in ScienceDaily, April 2, 2013)  Centre for Addiction and Mental Health. (2013, April 2). Mental illness linked to heavy cannabis use. ScienceDaily.

Retrieved June 3, 2014 from www.sciencedaily.com/releases/2013/04/130402124817.htm

ScienceDaily Summary:

People with mental illnesses are more than seven times more likely to use cannabis weekly compared to people without a mental illness, according to new research.

WTR-RI Research & Analysis Team Note:

The ScienceDaily article also notes the study found that “… although cannabis use is generally higher among younger people, the association between mental illness and cannabis use was pervasive across most age groups” and that “… individuals with mental illness were 10 times more likely to have a cannabis use disorder.”

Journal Reference:

Shaul Lev-Ran, Bernard Le Foll, Kwame McKenzie, Tony P. George, Jürgen Rehm. Cannabis use and cannabis use disorders among individuals with mental illnessComprehensive Psychiatry, 2013; DOI: 10.1016/j.comppsych.2012.12.021

Cannabis Induced Anxiety Disorder: DSM-V Diagnosis (2013)

Cannabis Induced Anxiety Disorder  (292.89)

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