
A BBC 2 Horizon documentary about the history of the cannabis plant, tracing its earliest origins, from pre-human times, through human's first encounter with the plant, it's uses in early civilisations and its migration across the globe to the present day. It shows how humans were (pre-installed) with THC receptors in our nuerological build up, leading us, inevitabley, to intake it's chemical properties. It shows how the plant has psychotropic properties (affecting the brain and causing defective behaviour, ie depression, paranoia etc..), BUT, naturally the plant produces CBD, which counteracts the psychotropic affects, (it basically balances out the unballancing done by THC ), BUT with higher strength strains constantly being bred for higher potency, something has to give, and it's CBD (the stuff that stops your brain losing it), by raising the THC level, the plant has to drop its CBD level, to stay in balance. Studies on rats have shown that the young developing brain ie, under 18yrs old in humans, are greatly affected by high THC and low CBD strains of skunk, and (can) have lasting damaging affects through life, because it damages neural paths in the brain that are still forming.
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history of marijuana
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