Eaten in small doses, psychedelic mushrooms might well increase fitness in animals, by increasing sensory acuity and possibly focus as well. A 2015 review article in the Journal of Ethnopharmacology reported that several tribes around the world feed psychoactive plants to their dogs in order to improve their hunting ability.fn9 At higher doses, however, one would think that animals tripping on psychedelic mushrooms would be at a distinct disadvantage for survival, and no doubt many of them are. But for a select few, the effects may offer some adaptive value, not only for themselves, but also
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