Brain Function Improving Agent

A food or beverage product for improving brain function comprising a Bifidobacterium breve and/or a cultured material containing Bifidobacterium breve-containing cultured material.

A method for prevention, treatment, and/or improvement of symptoms or diseases resulting from a reduced brain function selected from the group consisting of dementia, depression, schizophrenia, delirium, amnesia, reduced ability to make decisions or judgements, or to think, cognitive decline, intellectual disability, and combinations thereof, comprising a step of administering a Bifidobacterium breve and/or a cultured material comprising Bifidobacterium breve to a subject.

A method of using a pharmaceutical composition comprising Bifidobacterium breve and/or a cultured material comprising Bifidobacterium breve, comprising prevention, treatment, and/or improvement of symptoms or diseases resulting from a reduced brain function selected from the group consisting of dementia, depression, schizophrenia, delirium, amnesia, reduced ability to make decisions or judgements, or to think, cognitive decline, intellectual disability, and combinations thereof.

A method of using a food or beverage product comprising Bifidobacterium breve and/or a cultured material comprising Bifidobacterium breve comprising prevention, treatment, and/or improvement of symptoms or diseases resulting from a reduced brain function selected from the group consisting of dementia, depression, schizophrenia, delirium, amnesia, reduced ability to make decisions or judgements, or to think, cognitive decline, intellectual disability, and combinations thereof.