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-   -   New Harvard Study: "Teens who smoke pot at risk for later schizophrenia, psychosis (https://www.talkofthevillages.com/forums/medical-health-discussion-94/new-harvard-study-teens-who-smoke-pot-risk-later-schizophrenia-psychosis-111872/)

Golfingnut 04-19-2014 03:04 PM

Quote:

Originally Posted by rubicon (Post 864722)
Don't you just love experts. Does anyone believe that perhaps many have built-in confirmation bias?

Experts told me back in the 1980's that I was totally wrong when I told them that there is a mind-body connection. In the early 90's they found the connection.

Nicotine is said to be good for reducing schizophrenia but experts also said it was good in healing ulcerative colitis. Yet some of the most expensive treatments fail. and so can nicotine replace all of the psychotropic drugs?

Some experts say that people who are heavy drinkers are more susceptible to brain trauma. does this also apply to drug users?

Experts now say that people are not using enough salt.

Experts now say coffee is good for you

Experts now say that people over 65 should eat more protein including both vegetable and meat protein.

Eggs were once off people's diet now they are in favor again

Beware of sentences that start out with "Ëxperts say"

You sound like an expert on experts.
:beer3:
:pepper2:

Villages PL 04-19-2014 03:04 PM

Quote:

Originally Posted by Golfingnut (Post 864695)
Hummmm. Maybe we should think twice and post once. If you have more posts than properly researched thoughts, maybe that should be reversed. All kidding aside, let the professionals come up with the solution to this.

In my opening post, I stated the following in the second sentence: "As I heard it explained on the radio,......and smoking pot can cause a permanent decline [in IQ] of about 8 points." I assumed this was also in the study that was published in the Journal Neuroscience.

However, when in doubt, do a little more research. Search: Cannabis smoking permanently lowers IQ

Golfingnut 04-19-2014 03:09 PM

Quote:

Originally Posted by Villages PL (Post 864727)
In my opening post, I stated the following in the second sentence: "As I heard it explained on the radio,......and smoking pot can cause a permanent decline [in IQ] of about 8 points." I assumed this was also in the study that was published in the Journal Neuroscience.

However, when in doubt, do a little more research. Search: Cannabis smoking permanently lowers IQ

I yield to Rubicon. If anyone can come up with an intelligent answer he/she can.

Lou

Villages PL 04-19-2014 03:16 PM

Quote:

Originally Posted by rubicon (Post 864722)
Don't you just love experts. Does anyone believe that perhaps many have built-in confirmation bias?

Experts told me back in the 1980's that I was totally wrong when I told them that there is a mind-body connection. In the early 90's they found the connection.

Nicotine is said to be good for reducing schizophrenia but experts also said it was good in healing ulcerative colitis. Yet some of the most expensive treatments fail. and so can nicotine replace all of the psychotropic drugs?

Some experts say that people who are heavy drinkers are more susceptible to brain trauma. does this also apply to drug users?

Experts now say that people are not using enough salt.

Experts now say coffee is good for you

Experts now say that people over 65 should eat more protein including both vegetable and meat protein.

Eggs were once off people's diet now they are in favor again

Beware of sentences that start out with "Ëxperts say"

Another good arguing technique is to confuse the issue and put everything in doubt. But you are only highlighting the fact that the average person has a proclivity to misunderstand science. They don't know, or don't care to know, how to put anything in proper perspective. Misunderstanding food science, or science in general, is more productive to their agenda.

Taltarzac725 04-19-2014 04:10 PM

This is of interest.
 
Harvard: Marijuana Doesn’t Cause Schizophrenia | Psych Central News

Not sure how much impact some study will have on the habits of teens and college age kids.

Villages PL 04-19-2014 04:46 PM

Quote:

Originally Posted by Taltarzac725 (Post 864768)
Harvard: Marijuana Doesn’t Cause Schizophrenia | Psych Central News

Not sure how much impact some study will have on the habits of teens and college age kids.

The third paragraph of your link basically explains just about everything you need to know about this study. They are talking about the underlying basis for schizophrenia. And they say: "It's not cannibis use by itself..." In other words, it's not one thing working alone. If you have underlying health issues, or a predisposition, cannibis can be the trigger.

We all have predispositions for multiple health issues. Do we always know what they are? No, we don't. So why fool around with drugs or substances that may act as a trigger to set those health issues in motion? It doesn't make sense.

When kids go out with their friends to have a good time, are they going to stop and think if there might be a family history of some brain disease? It's highly doubtful. And even if they did, they might think that getting high is worth the risk. Even if they don't trigger schizophrenia, they could still lower their IQ.

This is why marijuana should never be made legal for general recreational use. Making it legal will only serve to make it more widespread among teens than it already is.

blueash 04-19-2014 09:05 PM

The Harvard study was an attempt to work around the known confounding factors in studying drug use and later psychiatric outcomes. It has been long known that heavy drug and alcohol use is associated with poorer adult functioning. But correlation is not causation. So in this study of only about 300 people they divided the 300 into four groups. 87 people non-psychotic and not drug users, 84 non-psychotic drug users, 76 psychotic drug users, and 32 psychotic non drug users. The study then looked at the family history of nearest relatives of each person and found that "There was an increased morbid risk for schizophrenia in relatives of the cannabis using and non-using patient samples compared with their respective non-psychotic control samples (p = .002, p < .001 respectively). There was no significant difference in morbid risk for schizophrenia between relatives of the patients who use or do not use cannabis (p = .43)." What this means is that if you have a family history of psychosis your risk of becoming psychotic is increased whether you use pot or not.

A controlled family study of cannabis users with and without psychosis

This study involves a small number of patients, depends on the accuracy of patient report of their own adolescent pot and alcohol use and the accuracy of the family history obtained.

PennBF 04-19-2014 09:15 PM

Really..A Surprise
 
Is anyone really surprised that Pot has a very bad effect on the body including the shrinkage of the brain, possible birth defects, etc. etc. There always is an attempt to say it is better than acholol which somehow means one bad thing is not as bad as another bad thing. As an aside alcholol is a drug that effect EVERY ORGAN in the body unlike other drugs that effect isolated portions of the body and organs. I know I speak out everytime these drug points come up but only in hopes it may reach just 1 of the readers who take the subject serious. :rant-rave:

Villages PL 04-22-2014 06:55 PM

Quote:

Originally Posted by blueash (Post 864924)
The Harvard study was an attempt to work around the known confounding factors in studying drug use and later psychiatric outcomes. It has been long known that heavy drug and alcohol use is associated with poorer adult functioning. But correlation is not causation. So in this study of only about 300 people they divided the 300 into four groups. 87 people non-psychotic and not drug users, 84 non-psychotic drug users, 76 psychotic drug users, and 32 psychotic non drug users. The study then looked at the family history of nearest relatives of each person and found that "There was an increased morbid risk for schizophrenia in relatives of the cannabis using and non-using patient samples compared with their respective non-psychotic control samples (p = .002, p < .001 respectively). There was no significant difference in morbid risk for schizophrenia between relatives of the patients who use or do not use cannabis (p = .43)." What this means is that if you have a family history of psychosis your risk of becoming psychotic is increased whether you use pot or not.

Your last sentence is correct. However, you forgot to mention that if you are a regular pot smoker, your risk of developing a psychosis is doubled.

Correlation is not causation: That's what the tobacco companies used to say about cigarette smoking and lung disease.

Bonnevie 04-28-2014 09:46 AM

study shows Legalizing Medical Marijuana Doesn't Increase Use Among Adolescents

Legalizing medical marijuana doesn't increase use among adolescents, study says -- ScienceDaily

rp001 04-28-2014 09:52 AM

I find it amazing how " intelligent" people can read a report, without any personal knowledge, and reach a conclusion that Only fits their agenda. Then they publish this much slanted opinion as gospel. I guess there are those that believe because it's on the internet, it must be true!

Bonnevie 04-28-2014 12:31 PM

ouch! if that refers to me....you seem to be making a conclusion about me without personal knowledge as well.

JP 04-28-2014 01:06 PM

Just another example of Reefer Madness. UUUUOOOOHHH. Look out.

A glass or two of wine a day is good for you but......wait for it....the government TAXES wine. Hummm. A connection?

Wait until marijuana is legal. There will be studies that say it is good for you.

Why? The government collects taxes on it.

DougB 04-28-2014 02:00 PM

Quote:

Originally Posted by Villages PL (Post 864638)
This Harvard study was published in the Journal Of Nuroscience. As I heard it explained on the radio, 1 to 7 joints per week can cause permanent brain damage in young people whose brains are not yet fully developed. The average IQ is about 100 and smoking pot can cause a permanent decline of about 8 points. If one starts with a lower than average IQ, they could end up with a near moron IQ.

Some teens already smoke pot. But if it becomes legal for adults, it will only encourage more teenage pot smoking, not less. Anything that becomes more commonly used will seem more acceptable. And it will be more available too.

To learn more, search the following: Teens who smoke pot at risk for later schizophrenia, psychosis

Will this change anyones mind? Duh? :shrug:

Me and the other guys in my head are debating this. We will have to get back to you.

Villages PL 04-28-2014 04:13 PM

Quote:

Originally Posted by Bonnevie (Post 869543)
study shows Legalizing Medical Marijuana Doesn't Increase Use Among Adolescents

Legalizing medical marijuana doesn't increase use among adolescents, study says -- ScienceDaily

If you will read my opening post you will see that I didn't say anything about medical marijuana.


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