Different cannabinoids (THC, CBD) and terpenes (myrcene, limonene) cause the effects in cannabis that can hype you up or make you sleepy. Here's a primer on the endocannabiniod system, terps and and anandamide.
There are now nine states that have legalized marijuana (Alaska, California, Colorado, Maine, Massachusetts, Nevada, Oregon, Vermont and Washington), 13 more with decriminalization laws and 47 with medical-marijuana laws.
One of the most important political races in 2018 is Rep. Beto O'Rourke's attempt to unseat Texas Sen. Ted Cruz. On "Real Time," O'Rourke told Bill Maher that he supports ending federal marijuana prohibition.
Heidi Grossman-Lepp, wife of marijuana activist Eddy Lepp, was arrested on Oct. 3 by the Yuba County Sheriff's Office on charges of producing and cultivating marijuana, possession of marijuana for sale, and suspicion of conspiracy.
Despite adult-use legalization in Colorado, Washington, Oregon, Alaska and Washington, DC, marijuana arrests rose nationally in 2016 by 1.5%, according to the FBI's latest Uniform Crime Report.