• cattywampas@lemmy.world
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      8 days ago

      “A drug is any chemical substance other than a nutrient or an essential dietary ingredient, which, when administered to a living organism, produces a biological effect.”

      • RichardNixos@lemmy.ml
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        7 days ago

        Thanks, that’s a good one one. I was wondering where exactly you disagreed with the previous definition, and that’s reasonable.

        Not trying to gotcha or anything, I just think it’s fun, but niacin is an example of a substance that is a nutrient but can also produce a drug effect (“niacin flush”) when taken in large (non-nutritive) quantities.

        So for me personally, whether something is a drug or not depends less on the identity of the substance, and more on the specific interaction with the organism, and what effect is most salient to observers. I don’t have a pithy definition handy, though.