Cannabis-Use Disorder Archive
Alterations in reward processing may increase users' risk of continued drug use and subsequent addiction.
Chronic and severe cannabis-dependence is associated with deficits in striatal dopamine release.
Marijuana use is associated with development of various neuropsychiatric conditions such as schizophrenia, anxiety, and depression.
Cannabis use disorder (CUD) is currently the most widely reported illegal substance use disorder.
Approximately 30% of users exhibit signs of marijuana abuse or dependence.
Prolonged cannabis use is a risk factor for periodontal disease.
The increased use of synthetic cannabinoids presents a public health threat.
Study links heavy cannabis use in male teens to increased mortality by age 60.
Genome-wide association identified 3 independent regions with single nucleotide polymorphisms.
Questions remain as to whether botanically-derived marijuana offers clinical benefit over pharmaceutical-grade THC, its active ingredient.
Visits to the emergency department for out-of-state individuals increased following legalization of cannabis in Colorado.
Healthy participants with a variation in the AKT1 gene were at higher risk of acute psychotic response to cannabis.
Smoking pot, however, is significantly associated with any substance use, alcohol use, drug use disorders.
Users whose cumulative marijuana use exceeded the equivalent of one joint a day for five years had a significant decline in verbal memory in middle age.
Found more likely to smoke, drink, and use illegal drugs and steroids.
If the link between neural noise and psychosis is confirmed, it could help researchers have a better understanding of schizophrenia symptoms.
Frequent use of high-potency marijuana was associated with a higher level of white matter damage.
About 4% of Americans are currently battling a substance-use disorder.
A certain variation in a gene was associated with cannabis dependence in child abuse victims.
The most notable increases in marijuana use were in women, blacks, Hispanics, people living in the South, and those middle-aged or older.
Brain researcher says no studies have ever demonstrated that there is a risk of long-term psychosis with marijuana use.
Participants who had used substances such as synthetic marijuana or bath salts were also more likely to have used illicit drugs.
Twenty percent of high school students with conditions including cystic fibrosis and type 1 diabetes have smoked marijuana.
The effects of cannabis, however, may be the most pronounced in those who are at the greatest risk for psychosis or addiction.
Analysis of 79 studies finds that medical cannabis is effective in treating chronic pain, but less so for many other conditions.
Rates of marijuana use among teens did not increase after states passed laws approving cannabis for medical uses.
Prescription pain med users who also took medical pot had similar rates of alcohol and other drug use than those who took pain meds alone.
Arizona psychiatrist Sue Sisley has been battling for years to conduct research to demonstrate cannabis as an effective PTSD treatment.
With growing calls for the use of cannabis in treating psychiatric conditions, psychiatrists need to be aware of the scientific evidence.
Cocaine, heroin and marijuana are the most popular illegal drugs abused among seniors.
The Illinois Medical Cannabis Advisory Board, however, rejected cannabis as a treatment for anxiety.
However, youths with a history of substance abuse may be linked to a higher risk of violent behavior.
Sue Sisley, who was fired as a professor last year, said she will start the clinical trial as soon as she receives marijuana from the feds.
However, sending marijuana-using students to counseling instead makes it less likely their classmates will also use the drug.
Cannabis use was linked to an increase in manic and depressive symptoms in people with bipolar disorder.
College students who use tobacco, marijuana or binge drink are also more likely to smoke e-cigarettes.
Daily marijuana use also linked to brain abnormalities, such as an oddly shaped hippocampus.
While some argue that cannabis may worsen schizophrenia symptoms, evidence is mounting for marijuana as a potential treatment.
Regularly using high-potency marijuana may increase risk of psychosis as much as fivefold.
Cannabis use may increase the risk for new onset of mania symptoms as much as three-fold.
Marijuana should not be used to treat autism or ADHD in children due to adverse effects and lack of evidence.
Those diagnosed with ADHD who began using alcohol, illegal drugs did so up to two years before those without ADHD.
Legalizing marijuana in Colorado has increased the number of hospital visits from marijuana-related ailments.
While veterans in substance abuse treatment tended to favor legalization of marijuana, many doctors express concerns over health risks.
While regular cannabis smoking shrinks the orbitofrontal cortex, the brain appears to compensate by increasing connectivity between neurons.
Casual cannabis use in adolescents did not decrease their IQ scores.
Researchers in the Netherlands find that people who smoked marijuana fared worse on thinking tasks compared to non-users.
However, low number of people who need substance-abuse treatment get it, government report shows.
Individuals who carry schizophrenia risk genes were more likely to use cannabis and to use it more, than those without the genes.
Clozapine may have advantages over risperidone for patients with schizophrenia and cannabis use disorder.
Most children's hospital do not have the resources for substance abuse treatment or are equipped with psychiatry departments.
Legalizing marijuana will lead to the sort of nationwide health problems now attributed to alcohol and tobacco, some health officials warn.
It's possible that insomnia leads some people to turn to marijuana, study authors say
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