WHO世界卫生组织：2026年认知衰退和痴呆的风险降低指南-执行摘要（英文版）

This is the second edition of the World Health Organization (WHO) guidelines on risk reduction of cognitive decline and dementia; the first edition was released in 2019. This updated edition reflects the latest evidence and advances in dementia risk reduction. Background In 2021, an estimated 57 million people globally were living with dementia, over 60% of whom resided in low- and middle-income countries. Because there is no widely accessible disease-modifying treatment or cure for dementia,