600 BC - Indian Medicine Treatise Cites Cannabis as a Cure for Leprosy
"Cannabis was used in India in very early medical applications. People believed it could quicken the mind, prolong life, improve judgment, lower fevers, induce sleep and cure dysentery... The first major work to lay out the uses of cannabis in [Indian] medicine was the Ayurvedic [a system of Indian medicine] treatise of Sushruta Samhita written in 600 BC... Within the Sushrita, cannabis is cited as an anti-phlegmatic and a cure for leprosy."