re: Huge increase in teen heart attacks due to cannibas usage..

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Did house cats evolve to use catnip or is a fluke of hereditary that it has an effect on some of them? We know, oddly enough that alcohol effects a ton of species. Elephants get drunk. Did they evolve to use it or does it work on receptors within the Mammalian cortex?

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There are no alcohol receptors, so nothing adapted to using alcohol. Bodies treat it like the poison it is

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Studies have shown that cats and dogs can get "stoned"... they just react very poorly to it. Our primate cousins can get stoned. I do not think chimps were rolling a fatty for their big pimp daddy back in the day.

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Your bias in assuming other animals don't enjoy is way off, as is your presumption they'd have to light it on fire to get the effects.

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There are probably all sorts of weird plants out there that we would react to. If they haven't gone extinct by now.

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I'd bet 0 of them have multiple receptor types, found in all their major organs though.