You will be surprised to know that the gum on trees and plants acts as lubrication in the human body or acts as grease. This grease-like substance is called Gond Siyah or Kala Gond which is used to treat arthritis, sciatica, Pain, Ankle Pain, Wrist/Side Pain, Half Headache, Migraine Pain, Pain in the ankles and… Continue reading This indigenous medicine works as grease in the joints and knees