*1 “The world’s first” is claimed on the basis of a paper reporting for the first time in the world that only a single living bifidobacterium has maintained cognitive function (memory), which declines with age, in a human clinical research study. (The results of literature search of randomized comparative studies using keywords including bifidobacterium, cognitive function, and memory on the PubMed and Japan Medical Abstracts Society Search website; Survey by KnowledgeWire Corp.)