More than 20,000 years ago humans used plants for medicine
Even if archaeological research shows that the first farming of plants started about 11,000 ago in China, where we have the first evidence for cultivation of plants, new research shows that humans used and processed plants for medicine long before that.
Li Liu of Stanford University studied grinding stones that were found in China and date back about 20,000 years. The residue on the stones shows that they were used to grind grains, millet, beans and roots.
Karen Hardy from the Catalan Institution for Research and Advanced Studies in Barcelona reported evidence that Neanderthals used medicinal plants.
It is interesting to see how ancient people knew how to select parts of plants that were good for their health and use them accordingly. But how did they get this knowledge in the first place?
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