TAU PROTEIN PRODUCTION ACCELERATOR, AND THERAPEUTIC OR PREVENTIVE AGENT AND THERAPEUTIC OR PREVENTIVE FOOD COMPOSITION FOR DISEASES CAUSED BY TAU PROTEIN DEFICIENCY
An object of the present invention is to provide: a tau protein production accelerator comprising a natural product as an active ingredient； a therapeutic agent or preventive agent for diseases caused by tau protein deficiency； and a food composition for the treatment or prevention of diseases caused by tau protein deficiency. Provided are: a tau protein production accelerator, a therapeutic agent or preventive agent for diseases caused by tau protein deficiency, and a food composition for the treatment or prevention of diseases caused by tau protein deficiency, comprising a dry powder, ground product, and/or extract of an earthworm as an active ingredient. The disease caused by tau protein deficiency is preferably Alzheimer's disease.
