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Association between cannabis use and subjective cognitive decline

eurekaselect.com

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Re: Association between cannabis use and subjective cognitive decline

#31

Post by drooby »

beebmam wrote: post #28
somenameforme wrote: post #11

Subjective cognitive decline is a 'subjective' because it is perceived by the individual themselves. This means one of: 1) Weed dramatically reduces cognitive impairment. 2) Weed dramatically reduces an individual's ability to accurately asses their cognitive ability. 3) People who use weed are, for some other reason, dramatically less likely to suffer from cognitive impairment, or dramatically less able to accuratel…

I go with 4 for basically any study until it is verified independently. One big reason I tend to avoid science "news"

Is there a journal or news site that exclusively publishes on studies that have been replicated?

Re: Association between cannabis use and subjective cognitive decline

#32

Post by Retric »

rasengan wrote: post #27
somenameforme wrote: post #11

Subjective cognitive decline is a 'subjective' because it is perceived by the individual themselves. This means one of: 1) Weed dramatically reduces cognitive impairment. 2) Weed dramatically reduces an individual's ability to accurately asses their cognitive ability. 3) People who use weed are, for some other reason, dramatically less likely to suffer from cognitive impairment, or dramatically less able to accuratel…

It’s likely 1. Most adults are busy reducing brain cell count thru use of alcohol and other poisons. Marijuana on the other hand is proven to increase brain cell count thru neurogenesis in the hippocampus [1]. This is not possible for adults without marijuana [2]. [1] https://pubmed.ncbi.nlm.nih.gov/16224541/ [2] https://www.ncbi.nlm.nih.gov/search/research-news/1588/

Your [2] is outdated information. 2018 my not seem like that long ago, but science doesn't stop.

EX: https://academic.oup.com/sleep/article/44/2/zsaa173/5986548

However, growing evidence suggests that new cells are not only “born” constitutively in the adult hypothalamus, but many of these cells also differentiate into neurons and glia and serve specific functions.

Re: Association between cannabis use and subjective cognitive decline

#33

Post by Lapel2742 »

From reading the abstract.

> Compared to non-users, non-medical cannabis use was significantly associated with 96% decreased odds of SCD (aOR=0.04, 95% CI=0.01-0.44, pI'm not a native speaker but if non-medical use of cannabis has a different outcome than medical and mixed use than it seems plausible that there are other - more important - factors at play or do I misunderstand the paragraph?

Re: Association between cannabis use and subjective cognitive decline

#34

Post by latchkey »

verticalscaler wrote: post #23
avg_dev wrote: post #12

A few thoughts after having read only the abstract: 1. The decline (which is reported to be less frequent in cannabis users) is self-reported subjective cognitive decline based on users’ experience. 2. I think that one of the hallmarks of cannabis use is an immediate decline in short-term memory. I believe this usually reverses itself after some time (hours or days). 3. I have used a lot of cannabis in the past. I st…

Yes, much has changed since the time of Dave. https://www.youtube.com/watch?v=ACfNSqsi_mE Probably your last point is key. Even a little dab will do ya nowadays or you'll forget what I was talking about. Wait.

I see your Dave and send you love from Sister Mary Elephant...

https://www.youtube.com/watch?v=Ftds_ae072M

Re: Association between cannabis use and subjective cognitive decline

#35

Post by specproc »

rasengan wrote: post #27
somenameforme wrote: post #11

Subjective cognitive decline is a 'subjective' because it is perceived by the individual themselves. This means one of: 1) Weed dramatically reduces cognitive impairment. 2) Weed dramatically reduces an individual's ability to accurately asses their cognitive ability. 3) People who use weed are, for some other reason, dramatically less likely to suffer from cognitive impairment, or dramatically less able to accuratel…

It’s likely 1. Most adults are busy reducing brain cell count thru use of alcohol and other poisons. Marijuana on the other hand is proven to increase brain cell count thru neurogenesis in the hippocampus [1]. This is not possible for adults without marijuana [2]. [1] https://pubmed.ncbi.nlm.nih.gov/16224541/ [2] https://www.ncbi.nlm.nih.gov/search/research-news/1588/

Checking the paper, alcohol is a covariate.

Re: Association between cannabis use and subjective cognitive decline

#36

Post by im3w1l »

somenameforme wrote: post #11

Subjective cognitive decline is a 'subjective' because it is perceived by the individual themselves. This means one of: 1) Weed dramatically reduces cognitive impairment. 2) Weed dramatically reduces an individual's ability to accurately asses their cognitive ability. 3) People who use weed are, for some other reason, dramatically less likely to suffer from cognitive impairment, or dramatically less able to accuratel…

I have a sort of alternative explanation to your four.

One thing I've noticed with pot smokers is that many seem to be almost in love with the drug. I have had people try to explain to me the manifold benefits of hemp fibers or CBD or how cannabis kills cancers. I think this could quite plausibly extend to survey answers, where saying they suffer from cognitive decline would be a kind of admission of defeat and go against their core beliefs of cannabis as purely positive godly thing.

So basically some kind of psycho-cultural defense mechanism?

Re: Association between cannabis use and subjective cognitive decline

#37

Post by grugagag »

Sytten wrote: post #5

> The reason for cannabis use, but not frequency and method, is associated with SCD. Further research is needed to investigate the mechanisms that may contribute to the observed associations between non-medical cannabis use and decreased odds of SCD.

What is SCD?

Re: Association between cannabis use and subjective cognitive decline

#39

Post by moffkalast »

beebmam wrote: post #28
somenameforme wrote: post #11

Subjective cognitive decline is a 'subjective' because it is perceived by the individual themselves. This means one of: 1) Weed dramatically reduces cognitive impairment. 2) Weed dramatically reduces an individual's ability to accurately asses their cognitive ability. 3) People who use weed are, for some other reason, dramatically less likely to suffer from cognitive impairment, or dramatically less able to accuratel…

I go with 4 for basically any study until it is verified independently. One big reason I tend to avoid science "news"

96% seems a bit high to not be mildly suspicious.

Re: Association between cannabis use and subjective cognitive decline

#40

Post by FredPret »

drooby wrote: post #31
beebmam wrote: post #28

Earlier quoted context omitted.

I go with 4 for basically any study until it is verified independently. One big reason I tend to avoid science "news"

Is there a journal or news site that exclusively publishes on studies that have been replicated?

There should be a whole library of such studies, perhaps even with more than one successful replication.

All signal, no noise. Entire disciplines would be absent from it

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