In a groundbreaking observation, researchers witnessed a male Sumatran orangutan named Rakus displaying remarkable self-healing behavior. After sustaining a facial wound, Rakus ingeniously used the anti-inflammatory and pain-relieving properties of Akar Kuning leaves to treat himself. Chewing the leaves and applying the juice directly to the wound, he repeated the process until the wound healed, leaving only a small scar. This behavior, unprecedented in wild animals, suggests a level of intentional medicinal plant use previously unseen in non-human primates.


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