Mysteries of medicinal plants remain

Caesalpinia A fascinating reflection by Dr S. Allen Coulter, professor of neurology and neurophysiology at Harvard Medical School and Massachusetts General Hospital, asks a question that perplexes many people: how did people acquire their detailed knowledge of the effects of plants on the body? Coulter’s musings are prompted by “scientific” studies on Caesalpinia pulcherrima, which reveal active ingredients that match the effects he was told by a wise person some years ago. I feel the same way about complicated food processing methods; how on earth did people learn how to render toxic and inedible things safe and delicious? Like Coulter, I fear we will never really know.

Flickr photograph by Esther17 used under a Creative Commons License.

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