Who invented weed?

Who exactly can be credited with the invention of weed, a substance that has become so widely known and controversial in modern society? Was it a single individual who stumbled upon its psychoactive properties, or was it a gradual discovery made by many over time? And furthermore, what were the original intentions behind its cultivation and use? These are the types of questions that often arise when discussing the origins of weed, and they highlight the complexity and ambiguity surrounding its history.