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 aspore
Cellular Drone
Registered: 04/05/10
Posts: 100
Loc: 
Last seen: 12 years, 3 months
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 Strain of marijuana could determine effects on memory 
#487349 - 10/12/10 06:59 PM (14 years, 2 months ago) |
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http://blogs.discovermagazine.com/80beats/2010/10/05/which-strains-of-marijuana-put-the-least-strain-on-memory/
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Valerie Curran and colleagues studied 134 volunteers as those volunteers smoked from their private stashes in their homes. The scientists had their subjects take a series of cognitive tests, both high and sober. They then took a small portion of the pot to the lab for analysis.
Curran found striking differences in the chemical compositions of different users’ marijuana, and those differences appeared to play a large role in how well the smokers performed on the tests while high.
The key difference between the types of cannabis is the ratio of two chemicals found in all strains. Tetrahydrocannabinol (THC) is the primary active ingredient, and is responsible for the effects associated with the classic ‘high’, including euphoria and giddiness but also anxiety and paranoia. The second chemical, cannabidiol, has more calming effects, and brain-imaging studies have shown that it can block the psychosis-inducing effects of THC. Skunk-type strains of cannabis contain a higher ratio of THC to cannabidiol than do hashish or herbal types. [Nature]
People who smoked marijuana with the highest cannabidiol levels—with concentrations as high as 0.75 percent—shared no impairment during the tests. But people who smoked marijuana with the lowest levels—down to 0.14 percent or less—performed worse and forgot more words while they were high. The type of pot known as skunk, which has been bred for THC potency, got the most demerits when it came to short-term memory and cognition effects.
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I believe this, good research.
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"To live the life you only see, in the stores and on TV,
Is to take away the seed, the roots, and stem of all we need."
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 openmind
cannaisseur
Registered: 06/06/08
Posts: 597
Loc: Cannafornia
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 Re: Strain of marijuana could determine effects on memory [Re: aspore]
#487394 - 10/12/10 08:48 PM (14 years, 2 months ago) |
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What is this "Skunk" type weed they speak of...
One of those things that bugs me, just like when people refer to good weed as "dro".
They have no idea WTF they're talking about...
But it is interesting how the various cannabinoids work together to balance out the effects.
.
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the man
Registered: 04/20/08
Posts: 825
Last seen: 11 years, 11 months
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Re: Strain of marijuana could determine effects on memory [Re: openmind]
#487465 - 10/13/10 01:50 AM (14 years, 2 months ago) |
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SmOakland
Now with Grow!
Registered: 05/31/09
Posts: 2,662
Loc: Oaktown to NOLA
Last seen: 4 years, 4 months
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Re: Strain of marijuana could determine effects on memory [Re: the man]
#487523 - 10/13/10 09:21 AM (14 years, 2 months ago) |
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A few factual errors but this is pretty educational to the average person who does not smoke tree.
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Shr0000ooooms
Cannabis Sampler
Registered: 10/22/09
Posts: 3,870
Loc: Hindu Kush Mountains
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Re: Strain of marijuana could determine effects on memory [Re: SmOakland]
#487963 - 10/14/10 02:12 PM (14 years, 2 months ago) |
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I am guessing the reason with the lower thc percentage affected memory is because it is shittily grown and not properly curred, which may have an effect on someone's memory. Or maybe I'm just really stoned 
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If I'm posting I'm high.
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