High levels of THC found at ancient Chinese cemetery site

High levels of THC found at ancient Chinese cemetery site

Marijuana chemical residue has been found in incense burners apparently used during funerary rites at a mountainous site in western China in about 500 BC, providing what may be the oldest evidence of smoking cannabis for its mind-altering properties. The evidence was found on 10 wooden braziers containing stones with burn marks that were discovered […]