Cannabis use evidence found in 2,800-year-old Siberian tomb
Researchers say seeds and hair from a burial mound in southern Siberia point to cannabis use for its psychoactive effects, though a forensic expert questions the hair analysis.

Researchers say cannabis seeds and preserved human hair from a tomb in southern Siberia provide the earliest known evidence of cannabis use for psychoactive purposes, dating back at least 2,800 years. 1News404 Media
The study analysed hair found with more than 1,000 cannabis seeds at the Tunnug 1 site; the researchers say the seeds were deliberately placed in the tomb. 1News
Experts disagree on whether the hair evidence proves consumption: one forensic toxicologist says it is weak, while an archaeologist who studies psychoactive substances says the method supports the conclusion. 1News