Kaneh-Bosm or Cannabis is mentioned 5 times in the Old Testament. The first occurrence appears in the Holy Anointing Oil as Calamus, (Exodus 30:23). Its been argued that the translation of Calamus was a mistranslation which occurred in the oldest Bible the “Septuagint” and the mistranslation was copied in later versions.
"Cannabis has a very rich history of medicinal use that dates back thousands of years and across many cultures.."