I’m always baffled how pointless that subreddit is. Almost every question asked there barely requires any math. Usually it’s just look up two numbers and then do one basic operation. Or even worse, questions that aren’t even answered by math at all.

https://www.degruyter.com/document/doi/10.1515/pz-2024-2017/html?srsltid=AfmBOop4bYqn5BhUClAYyvICkeuID7a9Tqh7YZyf9JKnKAJyNQhgt0zS

The title of the study is “In a narcotic trance, or stimulants in Germanic communities of the Roman period”

Its literally the first result if you Google “Praehistorische Zeitschrift Stimulants”. It’s pretty easy to find.