Provided are: a composition for preventing neurological diseases use of a material for preventing neurological diseases and a method for preventing neurological diseases. It has been discovered that a heat-treated product of an animal/plant-derived peptide is effective in preventing neurological diseases. The present invention provides a novel means for preventing neurological diseases such as dementia, schizophrenia, Alzheimers disease, Parkinsons syndrome, amyotrophic lateral sclerosis, etc.本發明提供一種神經性疾病之預防用組成物、用以預防神經性疾病之素材的使用、及預防神經性疾病之方法。本案發明人發現動植物性胜肽的熱處理物具有神經性疾病之預防效果。本發明係提供一種用以預防失智症、精神分裂症、阿茲海默症、帕金森綜合症、肌肉萎縮性脊髓側索硬化症等神經性疾病的新穎手段。
