Turns out, you can learn a lot about what people experience when they go on psychedelic trips if you set up a hotline that trippers can call if their experience is going a little haywire and they need someone to calm them down.

Detailed in a study published in Science Advances , researchers analyzed 25,119 anonymous calls and texts from the Fireside Project’s Psychedelic Support Line, which gives people on psychedelic trips a place to call so they can get more information on psychedelics or to be coached through a bad trip. Researchers from Paris, Geneva, and the Institute for Advanced Consciousness Studies collected the largest dataset of drug trips in human history, stretching from 2021 to 2026.

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The advantage here is that the participants weren’t in a stuffy lab as a researcher with a clipboard closely examined the readings from the diodes attached to their heads. This is all real humans taking psychedelics at home, at music festivals, or in the woods somewhere.…