Cannabis is extracted from cannabis sativa plant and is also famous by the name Marijuana, weed grass, pot, hash, joints, brew and many others. Cannabis plant grows in almost all climatic regions. CBD oil is a product extracted from resin glands of cannabis plant or hemp. The active ingredient in cannabis plant is called delta-9 tetrahydrocannabinol or THC. All these properties of cannabis are due to this THC. The most common reason to use cannabis is to experience mild euphoria and relaxation, which is also considered a high feeling. Currently, it has an uncertain status, but it also has many medical benefits on the other hand. This section has information on cannabis plant, cannabis products, uses, precautions, medical treatments, legal challenges and warnings of extreme usage.