As cannabis gains traction with legalisation across the world more and more studies are able to be done that were previously forbidden.
Some are producing surprising results.
Want fewer â€śDude, whereâ€™s my car?â€ť moments but not ready to give up the weed? A new studypublished in the British Journal of Psychiatrysuggests that variations in the chemical makeup of different strains of marijuana are associated with different levels of cognitive impairment while high.
Tetrahydocannabinol (THC) is commonly recognized as the ingredient in marijuana that causes a â€śhighâ€ť in users, but researchers have long known that pot contains other active substances as well. While THC can cause hallucinations and paranoia, another chemical found in marijuana, cannabidiol (CBD), is believed to be responsible for the calmer, sedating part of the experience. The two chemicals have opposing effects on one of the brain receptors affected by cannabis, the CB1 receptor.
To determine the effect of different levels of CBD, researchers studied 134 cannabis-using volunteers while they smoked their own stash of marijuana, at home. They gave them various cognitive tests, either while wasted or abstinent. Then, they took samples of the pot back to the lab for testing. Â Read more »