Cannabinoid receptors are part of the endocannabinoid system, which plays a crucial role in regulating various physiological processes in the body. These receptors are protein structures located on the surface of cells that interact with cannabinoids, which are chemical compounds found in cannabis and produced naturally in the body. There are two main types of cannabinoid receptors, known as CB1 and CB2. CB1 receptors are primarily found in the brain and central nervous system, while CB2 receptors are mostly located in the immune system and other peripheral tissues. Activation of these receptors by cannabinoids can have a wide range of effects on the body, including pain relief, appetite regulation, and mood modulation. Research in the field of cannabinoid receptors is focused on understanding the mechanisms of action of cannabinoids, developing new drugs that target these receptors, and exploring the therapeutic potential of cannabinoids for various medical conditions, such as chronic pain, epilepsy, and cancer. Additionally, studies are also investigating the role of cannabinoid receptors in neuroprotection, inflammation, and other biological processes.