La marijuana causa danni permanenti al cervello negli adulti?

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Pubblicato incannabis , cause , does , does marijuana cause brain damage , dr greger , dr gregor , dr michael greger , how not to die , is marijuana healthy , is weed healthy , Marijuana , michael greger , nutrition facts , nutritionfacts.org , pot , weed

Quanta cannabis è troppa per chi inizia a fumare da adulto?

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La questione della cannabis mi ricorda un simile scontro di interessi politici e commerciali nel dibattito sui cellulari. Se sei interessato, dai un'occhiata ai miei video Le radiazioni del telefono cellulare causano il cancro? (http://nutritionfacts.org/video/does-cell-phone-radiation-cause-cancer) e Cell Rischio di tumore al cervello del telefono? (http://nutritionfacts.org/video/Cell-Phone-Brain-Tumor-Risk). Continuo quella serie di video con la prossima puntata in arrivo: i telefoni cellulari influenzano la funzione cerebrale? (D:NutritionFactsnfvol 41nutritionfacts.orgvideoDo-Mobile-Phones -Affect-Brain-Function).

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100 Risposte a “La marijuana causa danni permanenti al cervello negli adulti?”

  4. the information in this video may be true to a degree, but as someone who has a 2 + years experience first hand I would like to share 2 things on the matter. 1) I don't know of anyone who smokes a STUPID amount of "joints" regularly. At most maybe 3-5 (and depending on the potency) you would be sleeping before the day was over. That's very unproductive and wasteful. 2)When talking about creativity, cannabis is beneficial to those who know how control it. Have you ever seen a person who can drink a lot of alcohol and still be great at beer pong? I'm not much of a drinker but i have a friend who drank hard liquor like water and still took over the table. That's beside the point. the message is that Cannabis can be controlled if you know how to manage the effects. For experienced smokers in the first hour the THC is still getting settled in, so yes motor skills and short term thoughts are off balance. After that first hour smokers should have those thoughts and skills 100% operational (depending on the fact that you smoked just enough to get you "high", and not more than you can handle). The remainder of the high should be enough to temporarily increase the following; focus, reaction time, perception, sensitivity to surroundings, sensitivity to bodily functions, self awareness, empathy, nimbleness, simplicity, and relaxation..

    Keep in mind that this is from personal experience and that experiences may vary as we are all different from one another.

  7. comment section basiaclly boils down to

    weed is bad and addiction from it is bad (even tho I think it has been proven to have only psychological type of addiction to some people)

    wtf weed is good facka yuuuuuuu

    choose your own poison lol

    maybe just use it moderately?

    I'm smoking weed right now XDDDDDDDD

  10. Been using marijuana cream for my authritis. Better than anything from a pharmacy! Won’t smoke it though. Quit smoking cigarettes years ago. Worried if I smoke anything, I’ll go back to cigarettes. Don’t want that. Avoid pot until your brain matures. Age 25. It’s a choice.

  11. I smoke cannabis heavily on a daily basis. More than anyone I know. And I have no problem working circles around my peers, being more conscientious of surroundings than them, etc. Guess it depends on the individual

  12. But is it the thc causing the issue or the inhalation of smoke? Has anyone done a study on thc or CBD purely with edibles or vapor? Just curious

  15. This is understandable
    You can smoke marijuana over and over and never get a hangover I thank god that people can't keep drinking alcohol like that because there would be countless people dead.
    If people were to use marijuana as a substitute for alcohol. Instead of smoking it everyday all the time save it for weekends or maybe occasions

    Too bad people always ruin good things

  17. I dropped my prescription of opioids for exercise and marijuana! My decision was based off of my depression and suicidal tendencies…I’ve found help and I’m so grateful for my medicinal usage because it helps me daily! Not a chain smoker btw, I enjoy my afternoons and evenings on sativa! Former C.O as well! #cheers

  22. I literally said “thank fuck” after the bit about adolescent use, I started at 14, but it wasn’t exactly chronic use, it was on again, off again, at the worst being about a gram a day in grade 12 for half a semester. I’ll cross my fingers that any Ill effects are behind me now.

  23. These retarded weed YouTube’s should watch this I smoked weed once when I was 13 it was cool but it wasn’t worth it drug tests getting money waste of time for me

  29. well I always hated Marijuana as I hate all mind altering drugs and alcohol with a passion…so I never even tried this toxic stink a single time and I never will, and聽I have seen too many people ruining their lives with this…and its really sad how many people fell for it and now are defending itbut there is one thing that I should say…CBD oil cannot get you high, so that's fine and good medicine…I am only against all MIND altering drugs….However if someone is in a lot of pain and is dying on lets say pancreatic cancer aka you know for sure you will be dead,…in that case I would tell them myself take WHAT EVER makes you feel batter, …take  freaken cocaine if it takes your pain away..

  33. I agree that some can have predisposed brain structures that increase the chance of drug use that makes their grey matter volume smaller. It’s a double edged sword. Hippocampal volume is reflective of the difficulty to activate the reward center.

  34. If you could choose to activate pleasure at any time without any work, complex memory from the hippocampus is no longer needed, thus causing decay of grey matter. This would happen with any addiction such as to sugar, caffeine, cannabis, sex, video games or more dangerous addictions such as opioids and amphetamines.

  35. Who didn't already know that abusing substances can lead to irreversible brain function. Nobody smoking 3 joints a week would have an issue with brain and memory function.

  36. It makes me more productive and learn easier. How does everyone keep saying it lowers iq and creativity? Obviously creativity is increased there just is no scientific measurement for it

  37. Honestly if you smoke just to get high than it’s just going to have a negative impact on you depending how often you use it I’m pretty sure we can all agree on this statement

  39. I've been smoking weed everyday for the past 3 years and I feel like I'm superior to everyone else so I'd say that's a pretty good long lasting effect

  40. F U we have to impair shyt when you know enough truths about America and this world and how evil it really is and how our kids have to live in a world like this

  41. It all comes down to MODERATION. Too much of anything is bad. I use to smoke every day, all day long. Now I go weeks, even months without smoking and normally smoke for an entire weekend then stop again.

  42. Research is just a research. Find it out yourself. Not smoking marijuana is always better than smoking it. It makes your daily lives boring so you gotta depend on it and this becomes the endless cycle of self-destruction. If you can smoke once every week and stick to it then go ahead but most people will end up smoking more than they should .

  44. This may also be a bunch of Bullshit compiled in to a video, it might be propaganda… we might or may need to know more before acting like you are stating facts…but the sheeple don't hear words like might & may ,they see your Lab coat YouTube channel & agree with you. SMH , smoking a little weed to see thru all the brsinwashing BS ,is totally worth it!

  45. Lol I’ve been smoking since I was 15 everyday all day . I am now 41 . I can safely say it doesn’t do any damage to your brain . I say it comes down to the individual. If the person was a loser before smoking then they’ll be a loser after smoking . . People need to just stop . Alcohol does way more damage to your body and brain . Same with bad food for you . I still don’t understand why herb is so hated and picked apart . But like anything in this world if it’s good or helpful it will be illegal . If it’s bad for you and will end your life faster it is made readily available

  46. I told myself to take a break for at least 4 weeks each time, and I did, sometimes more, sometimes less.
    Since 16, now I'm 18. I wonder if it has much impact on my brain, even though I take these breaks and if I should do less..

  47. I see that you are only making anti-marijuana studies, but there are also studies for marijuana and cancer (glioblastoma etc…) it would also be nice to add a link to the studies in video description (pubmed etc..)

    regards

  49. I can think of No Other Drug or substance that the people have had to force the government's hand. The government is here because the people created it and gave it enumerated powers, outside of those Powers it has none. This is why they needed to pass a constitutional amendment to ban alcohol. It's just more proof that any ban on a substance is unconstitutional and the people pushing it should be arrested for all the damage they've done to society. Furthermore, their property should be used to pay damages to those who have been imprisoned and injured due to the crime created by increased prices for products that should be legal and relatively cheap. It doesn't affect me at all if somebody wants to smoke crack or heroin, but when the police enforce laws that make it more expensive, and it forces people who are addicted to the drug to break laws, that is a problem for me. That means that the law enforcement and the legal system is the problem that is causing the injury. Remove that problem and we will have solved the drug issue. Nobody should be concerned with what other people are doing in their house. If you are concerned with what other people are doing in their house then maybe we should come into your house and make sure that you have everything in order and legal. I mean, what do you have to hide?

  52. My junior year I started smoking weed daily before school. My grades went from D's to B's and A's. I doubt if it made me smarter. I was just so paranoid of getting caught I did my worked and didn't say nothing even did my work in class which I've never done previously.

  55. I wonder if this atrophy is connected with a specific component of the plant. Is it connected with THC, or CBD? Or is it related to SMOKING it? Any idea?

  56. Its not the cannabinoids that are the problem, its the smoke. Another problem is bad science. Ive been taking cannabis oil for 5 years now. Cannabis oil saved my life and my IQ, coodination, logic and creativity have been enhanced, not reduced.

  58. How about more risk for new psychosis (even not related to familial psychosis) on a cohort of ~4000 teens. JAMA June 2018 number. Stay tunned for the next nutritionfacts video on THC 😉

  61. The point is that it does cause impairment and there is also a spectrum of reactions, people are chronic users, they aren't going to stop for 15 years to repair the structural changes noted. Also, please keep in mind that weed is becoming more and more potent as time goes by and these studies are going to rapidly be less reliable with the new potent strains. Not to mention these studies are very limited in scope. We do have entheogenic use in traditional cultures and in these cases it was not used except in very limited circumstances on a frequent basis. I am afraid that those limited studies outstanding, what we have going on is a widespread cultural delusion of it not having any negative effects at all and a widespread experiment of a great deal of people using it in ways and doses and frequencies that any traditional culture associated with its use would caution heavily against.

  67. Its nice to see on paper what is seen in clinic. Remember, this is not the ultra-low TCH medical use marijuana, this is the High TCH Recreational Use Marijuana. Come on, did you think a toxic substance that can affect cognitive function crossing the blood-brain barrier would not be harmful? Ever wonder where the term 'swiss cheese affect' came from when people talk about the brain of older long-term alcoholics? The THC in Marijuana is no different, Toxic chemicals damage, luckily we can recover if not over done. Some of the 'exploring' that occurred as you were young (I was in highschool in the 70's) as long as it was not a lot should do no harm, but if you kept denying life's lessons into your 20's, then you may see the brain damage, or not…. 😉

  70. I had a friend back in college like 15 years ago at Virginia Tech and all he would do was smoke weed and he was still a very smart person, He would always smoke it whatever free time he had and i would say weed probably makes you smarter.

  71. I think if you have too much, it will reduce creativity, but when I have an optimal dose, I'm pretty damn sure that the creativity I experience isn't an illusion. I hear awesome pieces of music created on the fly in my head, in an effortless way, something I never get sober, even if I try. It feels like my mind goes with the flow more and will explore new trains of thought it otherwise wouldn't.
    edit; I'm interested if these studies controlled for whether or not people were having within the optimal dose range for cannabis. The biphasic dosing effect means high doses worsen symptoms, and I suspect most people don't pay attention to optimally dosing themselves.

    Some info on biphasic dosing if you're curious on what it means: https://www.labroots.com/trending/cannabis-sciences/11870/biphasic-effect-cannabinoids-controls-dosing

    Though there's also twins studies that don't account for the dosing, but found no noteworthy difference between a cannabis-using twin and non-using twin, with any shared decline instead being explained by family background factors the twin adolescents shared;
    http://www.pnas.org/content/113/5/E500
    https://www.ncbi.nlm.nih.gov/pubmed/28734078

  73. What if you only smoke it once every few months, would that also cause damage. Also, what about bongs, are they better or worse for your health than joints

  76. You people who defend smoking weed every day all day are sick, stop the BS, weed is addictive……..I should know, I quit after thirdly years of heavy heavy smoking , DUI is the only reason I stopped, the drug testing, fail jail, there!!! Do I feel better after 8 months clean? Fuck yea!!!! Will I smoke again? Yes, it's my choice, so I can do what I want! Do I wanna smoke like before? No, I must be strong minded, or fall asleep again! It's so easy to let the weed have my body and mind! I love her, I'm just free of her at the moment! Jane will never brake up with me, but I could leave her though

  79. I like the way information is broken down in your videos with the upclose highlights of the research studies…what type of software or editing software is utilized to produce this effect?!

  82. It's not the marijuana's fault. It's more of a "if you don't use it, you'll lose it" kind of thing. When you're high you don't do things conducive to stimulating and exercising the brain. In other words, I bet if they had a control group that did everything the weed smokers did except smoke weed, then their brain performance would go down too, just like the taxi driver in the video.

  85. I started smoking weed once a week from ages 15 to 18. Would that be seen as a regular teen smoker?? I then stopped for a year and started again at 19 years old and have been doing so everyday for 8 years.

    But does my teenage smoking count as a regular smoker? Or have I luckily escaped that and therefore still have a chance to have a normal healthy brain??

    Remember it was once a week! Friday high day, a couple joints between 3/4 people. Let me know please!

  88. So in other words you should be fine as long as you start smoking as a 25yo adult and keep it under 16 joints a day. Seems like easy steps to follow.

  89. Marijuana is a Secred Plant, the CIA hates it according to Kathey Obrien who was sex slave, as they can't control users' brain, so use it, so the CIA can't control you…God gave us this plant which cures so many things. Big Pharma hates it as it will steal all their victims, I mean patients. We are made up of Canabanoids and so is Marijuana.

  90. I disagree about the creativity statement at the beginning of the video. I bet half of all rock and roll songs were composed when high. Certainly, a lot of records were recorded high. Good video still.

  92. That’s funny I’ve been smoking pot since I was 13 and I could draw extremely well I know a lot of information I’m good at science I’m good at astronomy I’m good at a lot of things I can build a house from the ground up it hasn’t affected my brain any I’m smarter than most people I know that don’t smoke pot.

  94. I only use natural organic matter. This might happen if you grow with the feds guideline they have high levels of heavy drugs in their souls lol then yea probably after that soil greys depressed^

  96. No controlled trials that establish accurate harm causality, or efficacy and this person didn’t include the literature about ptsd’s effect on the hippocampus in the people measured as “destroying “ their hippocampi.

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