title: Yes, there is a "happiness" gene...but it's not that simple...The 5-HTT gene that transports serotonin in the brain can lead to feelings of satisfaction in life.
mesh_terms: D001923:Brain Chemistry / Q000235:genetics*; D006240:Happiness; D006801:Humans; D050486:Serotonin Plasma Membrane Transport Proteins / Q000235:genetics*
chemical_list: C493230:SLC6A4 protein, human; D050486:Serotonin Plasma Membrane Transport Proteins