# Oldest Evidence of Intoxicating Cannabis Use Found in Siberia Researchers identify psychoactive cannabis traces within ancient Siberian burial site remains. - **Source:** [News-Medical](https://www.news-medical.net) - **Published:** 2026-11-06 - **Topic:** [science](https://brifing.si/c/science) - **Original article:** - **On Brifing:** https://brifing.si/s/f480c714-1247-4dce-83b6-b169634120d9 ## Ancient Cannabis Discovery An international research team led by the University of Bern has identified evidence of cannabis use in a Siberian princely tomb. Scientists discovered cannabis seeds alongside molecular traces of psychoactive compounds preserved within human hair samples. This finding provides concrete physical proof of substance consumption practices dating back to ancient burial traditions. ## Molecular Analysis Techniques The identification of psychoactive substances relied on advanced chemical analysis of human remains found at the site. By examining hair samples, researchers successfully isolated specific compounds associated with cannabis intoxication. This methodology allows scientists to confirm the presence of psychoactive materials even when physical plant matter has degraded over many centuries. ## Context of Princely Tombs The discovery occurred within a burial site identified as a princely tomb, suggesting that cannabis use held significant status or ritualistic importance. Such sites often contain grave goods intended for the afterlife, indicating that the substance may have been part of elite funerary rites or social practices during that specific historical era. ## Geographic and Historical Significance Locating this evidence in Siberia expands the known geographical range of ancient cannabis use beyond previously studied regions. This discovery highlights the widespread nature of prehistoric botanical knowledge and the deliberate cultivation or collection of psychoactive plants. It provides a new data point for mapping the historical distribution of cannabis across ancient Eurasia. ## Botanical and Cultural Implications The presence of seeds alongside psychoactive traces suggests a sophisticated understanding of the plant's properties by ancient populations. Beyond mere consumption, the inclusion of these materials in a tomb environment implies a cultural or spiritual framework surrounding the use of cannabis. This challenges previous assumptions regarding the timeline of human psychoactive plant interaction. ## Methodological Challenges in Archaeology Detecting organic compounds in ancient remains is notoriously difficult due to environmental degradation and contamination risks. The University of Bern team utilized rigorous protocols to ensure the molecular traces were authentic and not modern intrusions. Their success demonstrates the increasing precision of modern forensic archaeology in reconstructing the daily lives of ancient humans. ## Comparative Historical Perspectives While cannabis use is documented in various ancient texts and archaeological sites, this Siberian evidence offers a unique look at northern Eurasian practices. Comparing these findings with other regional discoveries helps clarify whether cannabis was traded over long distances or harvested locally. It remains a critical piece in understanding prehistoric human-plant relationships globally. ## Future Research Directions This study opens new avenues for investigating the role of psychoactive substances in ancient social structures and elite hierarchies. Future research will likely focus on identifying the specific cannabis varieties used and determining if they were cultivated or wild-harvested. These efforts will deepen our understanding of ancient human behavior and botanical history. ## Sources covering this story - https://www.news-medical.net/news/20261106/Oldest-evidence-of-intoxicating-cannabis-use-found-in-Siberia.aspx — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._