title: Pigment and kinesia.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D044383:Black People; D006801:Humans; D008550:Melatonin / Q000378:metabolism; D008875:Middle Aged; D009069:Movement Disorders / Q000175:diagnosis / Q000453:epidemiology*; D010858:Pigmentation; D044465:White People
chemical_list: D008550:Melatonin