Along with alcohol, the drug that psychotic patients use more than any other is cannabis: a 2010 review of earlier studies in Schizophrenia Bulletin found that 27% of people with schizophrenia had been diagnosed with cannabis use disorder
in their lives and, despite its reputation for making users relaxed and calm, cannabis appears to provoke many of them to violence.
These affiliations predict increases in cannabis use and, eventually, cannabis use disorder
, as our results show."
Research shows that nearly one-third of cannabis users in 2012-2013 showed signs of cannabis use disorder
Evidence-based psychosocial approaches for adolescents with cannabis use disorder
include motivational enhancement therapy, which involves building rapport in a gentle way with phrasing such as "Tell me what you like about marijuana use" and "What don't you like about it?" Dr.
A recently published (2015) cohort study which considered cannabis abuse and dependence as cannabis use disorder
(CUD) showed the lifetime prevalence of cannabis use disorder
to be 19.1%, with an average age of onset of 18.6 years .
The major weaknesses in our study are the cross-sectional design, recall biases, coding errors in the ICD-9-CM application, lack of information on medications such as antiviral therapies, type of cannabis ingested, mode of cannabis use (oral versus inhalation), and sensitivity and specificity of ICD-9-CM coding for cannabis use disorder
. Absence of data on which patients received the new direct-acting antiviral therapy is a significant limitation, given that these medications are extremely effective and significantly modulate the progress of HCV liver disease.
Cannabis use disorder
is associated with greater illness severity in tobacco smoking patients with bipolar disorder.
An improved brief measure of cannabis misuse: The cannabis use disorders
identification test--revised (CUDIT-R).
Data are encouraging on the efficacy of gabapentin in adults with cannabis use disorder
from a 12-week, randomized double-blind trial of 50 adults given either placebo or 1,200 mg of gabapentin divided into three daily doses (Neuropsychopharmacology 2012;37:689-98).
Biologically plausible reasons for why cannabis use and affective disorders might be related include the fact that the greatest density of cannabinoid-1 receptors in the brain are in regions that are "implicated in both cannabis use disorders
but also affective disorders and other neuropsychiatric disorders," he said.
The familial aggregation of cannabis use disorders
. Addiction, 104, 622-629.
In fact, close to 10% of adults who have ever used cannabis will develop cannabis use disorder
. The younger you are when you start using cannabis, and the more often and the longer you use it, the more likely that it will have a negative impact on your brain.