+**Cb1**, or **cannabinoid receptor type 1**, is a protein receptor abundant in the [Brain](/wiki/Brain) and central nervous system. It plays a key role in the body's [Endocannabinoid System](/wiki/Endocannabinoid_System), influencing functions like mood, appetite, and pain sensation.
+## See also
+- [Cannabinoid](/wiki/Cannabinoid)
+- [G Protein](/wiki/G_Protein)
+- [Neurology](/wiki/Neurology)
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