Cannabinoid receptor agonists are compounds that bind to and activate the cannabinoid receptors in the body. These receptors are part of the endocannabinoid system, which plays a critical role in regulating various physiological processes, including pain sensation, mood, and appetite. By mimicking the actions of endogenous cannabinoids, these agonists can have therapeutic effects, offering pain relief, reducing inflammation, and aiding in the management of conditions like chronic pain, multiple sclerosis, and even chemotherapy-induced nausea.