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Ecologist Dr. Dan Janssen on Plant-Eating Vertebrates and Self-Medicating
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09:57 - 15:53 (05:55)

Dr. Dan Janssen writes about the possibility of plant-eating vertebrates consuming certain plants as a way of writing their own prescriptions for medicinal purposes, while Harvard scientists studied if primates modify their diets to control diarrhea and kill parasites.

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