College teacher says brain damage?

[.Felix.]

I just recently started my psychology class for summmer and today we were watching a video on drug and alcohol use during pregnancy. During the video though the movie said Drugs like Marijuana, which have been used for thousands of years, is also known to cause brain damage in adults. At the end of the movie I asked her how old it was (it being about 20 years old) and said it had false information. She asked me what an I stated that marijuana does not cause brain damage or any "known" brain damage. She got mad and said it does but didnt want to discuss that with me. So is she right? I am looking up things on google but if you guys have any info plese let me know? I hope i didnt make an idiot of myself

 

[ItchyRichy]

http://www.webmd.com/mental-health/news/20030701/heavy-marijuana-use-doesnt-damage-brain
she doesnt want to argue because she knows shes wrong lol.
also
Myth: Marijuana Can Cause Permanent Mental Illness. Among adolescents, even occasional marijuana use may cause psychological damage. During intoxication, marijuana users become irrational and often behave erratically.

Fact: There is no convincing scientific evidence that marijuana causes psychological damage or mental illness in either teenagers or adults. Some marijuana users experience psychological distress following marijuana ingestion, which may include feelings of panic, anxiety, and paranoia. Such experiences can be frightening, but the effects are temporary. With very large doses, marijuana can cause temporary toxic psychosis. This occurs rarely, and almost always when marijuana is eaten rather than smoked. Marijuana does not cause profound changes in people's behavior.

*
Iverson, Leslie. “Long-term effects of exposure to cannabis.” Current Opinion in Pharmacology 5(2005): 69-72.

*

Weiser and Noy. “Interpreting the association between cannabis use and increased risk of schizophrenia.” Dialogues in Clincal Neuroscience 1(2005): 81-85.
*
"Cannabis use will impair but not damage mental health." London Telegraph. 23 January 2006.

*
Andreasson, S. et al. “Cannabis and Schizophrenia: A Longitudinal study of Swedish Conscripts,” The Lancet 2 (1987): 1483-86.

*
Degenhardt, Louisa, Wayne Hall and Michael Lynskey. “Testing hypotheses about the relationship between cannabis use and psychosis,” Drug and Alcohol Dependence 71 (2003): 42-4.

*
Weil, A. “Adverse Reactions to Marijuana: Classification and Suggested Treatment.” New England Journal of Medicine 282 (1970): 997-1000.

 

[.Felix.]

Thank you! :]

 

[Coolio]

THC and some other cannabinoids found in marijuana are actually proven to be neuroprotective - that is, they prevent brain damage.

From http://www.jneurosci.org/cgi/content/full/21/17/6475

Excitotoxicity is a paradigm used to explain the biochemical events in both acute neuronal damage and in slowly progressive, neurodegenerative diseases. Here, we show in a longitudinal magnetic resonance imaging study that Delta 9-tetrahydrocannabinol (Delta 9-THC), the main active compound in marijuana, reduces neuronal injury in neonatal rats injected intracerebrally with the Na+/K+-ATPase inhibitor ouabain to elicit excitotoxicity. In the acute phase Delta 9-THC reduced the volume of cytotoxic edema by 22%. After 7 d, 36% less neuronal damage was observed in treated rats compared with control animals. Coadministration of the CB1 cannabinoid receptor antagonist SR141716 prevented the neuroprotective actions of Delta 9-THC, indicating that Delta 9-THC afforded protection to neurons via the CB1 receptor. In Delta 9-THC-treated rats the volume of astrogliotic tissue was 36% smaller. The CB1 receptor antagonist did not block this effect. These results provide evidence that the cannabinoid system can serve to protect the brain against neurodegeneration.

From http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=20965

The neuroprotective actions of cannabidiol and other cannabinoids were examined in rat cortical neuron cultures exposed to toxic levels of the excitatory neurotransmitter glutamate. Glutamate toxicity was reduced by both cannabidiol, a nonpsychoactive constituent of marijuana, and the psychotropic cannabinoid (−)Δ9-tetrahydrocannabinol (THC). Cannabinoids protected equally well against neurotoxicity mediated by N-methyl-d-aspartate receptors, 2-amino-3-(4-butyl-3-hydroxyisoxazol-5-yl)propionic acid receptors, or kainate receptors. N-methyl-d-aspartate receptor-induced toxicity has been shown to be calcium dependent; this study demonstrates that 2-amino-3-(4-butyl-3-hydroxyisoxazol-5-yl)propionic acid/kainate receptor-type neurotoxicity is also calcium-dependent, partly mediated by voltage sensitive calcium channels. The neuroprotection observed with cannabidiol and THC was unaffected by cannabinoid receptor antagonist, indicating it to be cannabinoid receptor independent. Previous studies have shown that glutamate toxicity may be prevented by antioxidants. Cannabidiol, THC and several synthetic cannabinoids all were demonstrated to be antioxidants by cyclic voltametry. Cannabidiol and THC also were shown to prevent hydroperoxide-induced oxidative damage as well as or better than other antioxidants in a chemical (Fenton reaction) system and neuronal cultures. Cannabidiol was more protective against glutamate neurotoxicity than either ascorbate or α-tocopherol, indicating it to be a potent antioxidant. These data also suggest that the naturally occurring, nonpsychotropic cannabinoid, cannabidiol, may be a potentially useful therapeutic agent for the treatment of oxidative neurological disorders such as cerebral ischemia.

 

[AfterGlow]

After smoking massive amounts of weed from the ages of about 14-19, it began making me feel more and more paranoid and then completely psychotic. Perhaps I already had an underlying mental disorder that was exasperated by the MJ. Perhaps I am part of a small minority that reacts negatively after doing way too much. But I can tell you that it most definitely had a long term adverse impact on my state of mind even if it did not cause any physical brain "damage".

 

[sarsXdave]

Damn, what I like about college classes is that our teachers were more realistic and not just pushing an agenda. At least, the biology and psychology ones were. In fact "Basics of Biopsychology" by John P. J. Pinel has an activity on PAGE 420 (I'm not shitting you) where you're to fill in the actual physical and emotional risk of the drugs (tobacco, alcohol, marijuana, cocaine, and heroin) and omit the legal and social risks, then rate them on health risks. It doesn't tell you the correct answers (since any least-to-most hazardous ranking will be subjective anyway), but I like that the required text actually asks kids to admit that cannabis is one of the safer recreational drugs. I will say that the author is a professor for the University of British Columbia, so that helps.

I wouldn't push it too much further in class, as this lady has your grade in her hands. But, if there's a teacher review you do at the end of the semester, you can mention how she used outdated materials to push her opinion instead of fact. This is the adult world, not 9th grade health class. People need to be held accountable for shit.

 

[deaf eye]

With very large doses, marijuana can cause temporary toxic psychosis. This occurs rarely, and almost always when marijuana is eaten rather than smoked.

i dont know if it was toxic, but i had a good hazy psychosis going on after eating a half a tray of brownies , all i could do was lay on the couch and close my eyes
i kept hearing the phone ringing , and friends leaving me angry answering machine massages, the next morning there was 1 message on my machine,

it was intense ,

 

[drscience]

She got mad and said it does but didnt want to discuss that with me.

Brain damage aside, i think you should tell your principal what she said.

Didnt want to discuss it. Thats why people go to school, to exchange ideas.

I would have told her shes fired and left.

 

[Chainer]

After smoking massive amounts of weed from the ages of about 14-19, it began making me feel more and more paranoid and then completely psychotic. Perhaps I already had an underlying mental disorder that was exasperated by the MJ. Perhaps I am part of a small minority that reacts negatively after doing way too much. But I can tell you that it most definitely had a long term adverse impact on my state of mind even if it did not cause any physical brain "damage".

There you go!

 

[tBirdee]

^lol

 

[Jibult]

Brain damage aside, i think you should tell your principal what she said.

Didnt want to discuss it. Thats why people go to school, to exchange ideas.

I would have told her shes fired and left.

College/university/vocational schools tend to work differently than high schools

And in most high schools, the administrations tend to believe that the only transfer of information of any value is from the teachers who have it to the students who don't. Fuck that up and you'll find yourself on a shit-list quick.

 

[GlassAss420]

Your wasting your time.. you'll most likely never change that teachers mind.. just smile to yourself whenever they spout bullshit liies like that.. maybe try to educate your peers about the truth? Maybe if you get the chance to write on eassy where you get to choose the topic choose leagalization of cannabis, or effects of cannabis on the human brain/body, etc.

Arguing with a teacher that would show ignorant out-dated vids like that is most likely about as effective as arguing with a brick wall.. seriously I wouldn't waste my breath if I were you, except maybe trying to tell your peers/other students the real truth.

 

[Jibult]

After smoking massive amounts of weed from the ages of about 14-19, it began making me feel more and more paranoid and then completely psychotic. Perhaps I already had an underlying mental disorder that was exasperated by the MJ. Perhaps I am part of a small minority that reacts negatively after doing way too much. But I can tell you that it most definitely had a long term adverse impact on my state of mind even if it did not cause any physical brain "damage".

Define "massive amounts of weed."

 

[HighonLife]

Well if a college proffesor said it, it must be true.

someone already said it but when reviews come around at the end of the semester grill her ass for teaching outdated material, teaching her opinion as fact, and for not being open to discussing opposing views. you dont necessarily have to say you feel this way because of an MJ argument but just let it be known.
Also sometimes those damn review things dont leave room for you to write anything they only do the 12345 scale or i fully agree with this statement, partially agree with this statement, nuetral etc. if that is the case then write that shit around the edges and let them know it pisses you off that they dont give you the space to write specifics.
I must admit when professors have crossed me i have been brutal on teacher reviews and have even gone to see the head of the department a few times.
anyways some one also said it if you get to write a paper on any topic conserning psycology (i did and infact did cannabis and psychosis) then choose cannabis and brain damage and do a well researched well written paper and you should end up feelin good about yourself and your stance in the "debate" with her

 

[The Winner!!]

My thought on marijuana psycosis and recent experience

I'll start with a little story, just the other day I had some intense 'marijuana' psycosis. First of all, I hadn't slept in 30 hours I also had a flu which I think having a fever can help in this situation, so because of the flu I was also taking 30mg dextromethorphan every 4 hours. So after these 30 hours, I was already having psycosis I could tell, I've been sleep deprived before and I was totally out of it, more than usual which probably has to do with the small ammounts of DXM I had taken throughout the day. About 250mg DXM throughout the day.

Before I went to sleep I smoked half a joint, then I started to notice tracers, then in awhile I smoked a full joint and soon afterwards I started to have a very intense dissociative, full blown hallucinogenic, psychotic trip.

So all in all I do think marijuana can make you psychotic, but think about it.
It is a psychedelic so the same rules should apply, to not use it too too often and not in a bad set&setting

Brain Damage? No way

 

[F1n1shed]

it was the dex u took trust... and the weed didnt help. I am taking dex for my cough to and before i went to sleep last night i woke up with some tracers and was kind of out of it. That was with a tiny amount also, much less than u took. I can only imagine if i blazed with it.