Why No Gadget Can Prove How Stoned You Are
If you\u2019ve spent time with marijuana\u2014any time at all, really\u2014you know that the high can be rather unpredictable. It depends on the strain, its level of THC and hundreds of other compounds, and the interaction between all these elements. Oh, and how much you ate that day. And how you took the cannabis. And the position of the North Star at the moment of ingestion. OK, maybe not that last one.