title: Failure of ingestion of RNA to enhance human learning.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001925:Brain Damage, Chronic; D006801:Humans; D007858:Learning / Q000187:drug effects*; D008568:Memory / Q000187:drug effects*; D008875:Middle Aged; D012313:RNA / Q000494:pharmacology*
chemical_list: D012313:RNA