Marijuana, also known as cannabis, is a plant that has been used for various purposes throughout history. Its leaves, flowers, stems, and seeds contain compounds known as cannabinoids, which have the ability to interact with the human body’s endocannabinoid system. With a long history of medicinal, recreational, and industrial use, marijuana has garnered significant attention for its potential benefits and risks. In recent years, there has been a growing global debate around its legalization, leading to changing perceptions and policies in many regions. This introduction aims to provide an overview of marijuana, its components, uses, and the evolving societal perspectives surrounding it.