Navigation Links
Marijuana can Trigger Psychotic Symptoms, New Study Finds

More evidence of the damaging impact of marijuana on humans has come to light. //It can trigger temporary psychotic symptoms in some people, including hallucinations and paranoid delusions, it has been found.

In a recent study, one compound, cannabidiol, or CBD, made people more relaxed. But even small doses of another component, tetrahydrocannabinol, or THC, produced temporary psychotic symptoms in people, including hallucinations and paranoid delusions, doctors said.

The results, to be presented at an international mental health conference in London on Tuesday and Wednesday, provides physical evidence of the drug's damaging influence on the human brain.

"We've long suspected that cannabis is linked to psychoses, but we have never before had scans to show how the mechanism works,'' said Dr. Philip McGuire, a professor of psychiatry at King's College, London.

In analyzing MRI scans of the study's subjects, McGuire and his colleagues found that THC interfered with activity in the inferior frontal cortex, a region of the brain associated with paranoia.

"THC is switching off that regulator,'' McGuire said, effectively unleashing the paranoia usually kept under control by the frontal cortex.

In another study being presented at the conference, a two-day gathering of mental health experts discussing the connections between cannabis and mental health, scientists found that marijuana worsens psychotic symptoms of schizophrenics.

Doctors at Yale University in the U.S. tested the impact of THC on 150 healthy volunteers and 13 people with stable schizophrenia. Nearly half of the healthy subjects experienced psychotic symptoms when given the drug.

While the doctors expected to see marijuana improve the conditions of their schizophrenic subjects—since their patients reported that the drug calmed them—they found that the reverse was true.

"I was surprised by the results," said Dr. Deepak Cyril D'Souza, an associate professor of psychiatry at Yale University's School of Medicine. "In practice, we found that cannabis is very bad for people with schizophrenia," he said.

While D'Souza had intended to study marijuana's impact on schizophrenics in more patients, the study was stopped prematurely because the impact was so pronounced that it would have been unethical to test it on more people with schizophrenia.

"One of the great puzzles is why people with schizophrenia keep taking the stuff when it makes the paranoia worse,'' said Dr. Robin Murray, a professor of psychiatry at King's College.

Experts theorized that schizophrenics may mistakenly judge the drug's pleasurable effects to outweigh any negatives.

Understanding how marijuana affects the brain may ultimately lead experts to a better understanding of mental health in general.

"We don't know the basis of paranoia or anxiety,'' said McGuire.

"It is possible that we could use cannabis in controlled studies to understand psychoses better,'' he said. McGuire theorized that could one day lead to specific drugs targeting the responsible regions of the brain.
GPL/
'"/>




Related medicine news :

1. Marijuana gateway theory strengthened by study of twins
2. Marijuana Use Could Result In Psychosis
3. Wife May Determine Husband’s Marijuana Use
4. E-Mail Affects Brain More Than Marijuana
5. Marijuana-Derived Drug Promises Hope In Treating Bladder Infection
6. Adolescent Marijuana Smokers Face Risk Of Developing Schizophrenia
7. Rhode Island legalizes use and possession of Marijuana
8. Smoking Marijuana Increases The Risk Of Bladder Cancer
9. Marijuana Compound Offers Hope In Diabetic Retinopathy Prevention
10. Marijuana Causes The Brain To Lose Its Ability
11. Cancer Patient to Appeal to SC, Demanding Right to Use Marijuana
Post Your Comments:
*Name:
*Comment:
*Email:


(Date:6/27/2016)... ... 27, 2016 , ... TherapySites, the leading website ... Tennessee Counseling Association. This new relationship allows TherapySites to continue to ... adding exclusive benefits and promotional offers. , "TCA is extremely excited about this ...
(Date:6/27/2016)... ... June 27, 2016 , ... A revolution ... the emergency ambulance transport experience for the millions of people who require these ... disrupted the taxi industry through the use of technology. Now, SmartEMS has put ...
(Date:6/26/2016)... PLAINSBORO, N.J. (PRWEB) , ... June 27, 2016 , ... ... same sources, yet in many ways they remain in the eye of the beholder, ... Oncology (EBO), a publication of The American Journal of Managed Care. For the full ...
(Date:6/26/2016)... ... June 26, 2016 , ... Pixel Film Studios Released ProSlice Levels, a ... can give their videos a whole new perspective by using the title layers ... Film Studios. , ProSlice Levels contains over 30 Different presets to choose from. ...
(Date:6/26/2016)... NC (PRWEB) , ... June 26, 2016 , ... Brent Kasmer, a legally blind and ... to be personalized through a fitness app. The fitness app plans to fix the two ... currently only offer a one size fits all type program , They don’t ...
Breaking Medicine News(10 mins):
(Date:6/24/2016)... Mass. , June 24, 2016   ... Spaulding Rehabilitation Network,s Dean Center for Tick ... Physical Medicine and Rehabilitation, MIT Hacking Medicine, University ... for Innovation, today announced the five finalists of ... for Lyme disease.  More than 100 scientists, clinicians, ...
(Date:6/24/2016)... and SAN CLEMENTE, Calif. , June ... -based mobile pulmonary function testing company, is now able to ... devices developed by ndd Medical Technologies , Inc. ... done in hospital-based labs.  Thanks to ndd,s EasyOne PRO ® , ... , can get any needed testing done in the comfort of ...
(Date:6/24/2016)... , June 24, 2016  Arkis BioSciences, ... less invasive and more durable cerebrospinal fluid treatments, ... funding.  The Series-A funding is led by Innova ... Fund, and other private investors.  Arkis, new financing ... instrumentation and the market release of its in-licensed ...
Breaking Medicine Technology: