Canna~Fangled Abstracts Variation in the human cannabinoid receptor CNR1 gene modulates gaze duration for happy faces Mol Autism. 2011; 2: 10. Published online Jun 29, 2011. doi: 10.1186/2040-2392-2-10 PMCID: PMC3155489 Variation in the human cannabinoid receptor CNR1 gene…Freedom WaresJune 29, 2011