Ancient Siberian tomb yields earliest psychoactive cannabis evidence

A groundbreaking study suggests cannabis use for its psychoactive properties dates back over 2,800 years, significantly earlier than previously believed. Archaeologists uncovered compelling evidence in a Siberian monumental tomb, rewriting the timeline for ancient drug consumption.

The remarkable discovery includes preserved cannabis seeds alongside human hair, containing active compounds within the same burial context. This unique convergence offers direct insight into the plant's ceremonial or recreational role in early societies.

These findings predate known cannabis consumption in neighboring regions, particularly China, by at least three centuries. The dig site, located in Siberia's Uyuk Valley, represents an ancient Scythian burial mound, shedding light on nomadic culture.

Researchers performed radiocarbon dating on over a thousand seeds, establishing their deliberate deposition within the royal tomb. This rigorous analysis indicates the plant material held profound significance for the community, not appearing accidentally.

However, some independent experts remain unconvinced, citing methodological weaknesses in the hair analysis presented. Critics argue the data might not definitively distinguish between consumption and mere external exposure, requiring further forensic scrutiny.