Cannabis has been cultivated as a crop for millennia, but there’s been little historical or archeological evidence showing when humans began to use the plant for what it’s best known for today: getting high.
However, an excavation of a 2,500-year-old tomb in western China has revealed the earliest clear evidence of humans using cannabis for its psychoactive properties.
Scientists from China and Germany analyzed wooden fragments and burnt stones from pots in the tombs, and the results showed an exact match to the chemical signature of cannabis — particularly that with a high amount of tetrahydrocannabinol (THC), the most potent psychoactive agent in the plant.
– Read the entire article at CNN News.