<human>: I've heard that some people are using marijuana to get relief from chronic pain. What is it about this drug that is causing this trend?
<bot>: Well, the active ingredient in marijuana is THC. It’s a chemical compound that binds to receptors in the brain and body called cannabinoid receptors. These receptors are found throughout the brain and body. They are involved in many important processes, including memory, appetite, pain sensation, and movement.