GPR55: The Third Cannabinoid Receptor? Gallery GPR55: The Third Cannabinoid Receptor? News GPR55: The Third Cannabinoid Receptor? For a generation, science has known of two cannabinoid receptors: CB1 and CB2, [...] By Jen Price| 2018-07-05T13:23:02+00:00 June 21st, 2018|News|0 Comments Read More