老年痴呆: 威胁所有的老年人

中国老年痴呆症患者数2015年已>1 000万，为所有发达国家发病数的总和，老年痴呆已成为我国十分严峻的社会和公共卫生问题；目前认知损伤和痴呆类的疾病缺少行之有效的治疗方法，因此研究其危险因素成为了疾病预防的关键。近年来随着我国工业经济的快速发展，空气污染已成为主要的公共卫生问题，有研究表明空气污染物对老年人认知功能损伤及痴呆具有一定影响，为此本文就常见空气污染物与老年人认知损伤及痴呆的关系进行综述，旨在为降低老年人认知功能损伤及痴呆的发病率提供新的思路。

Global prevalence of dementia

In 2015, China had more than 10 million Alzheimer's patients, which was the same number as the sum of the patients in all developed countries; dementia has become a serious social and public health problem in China. Due to the lack of effective treatment method on cognitive impairment and dementia disease, finding the risk factors has become the key issue for the prevention of the disease. With the rapid development of China's industrial economy, air pollution has become a major public health problem, and many studies have shown that air pollutants have a certain influence on cognitive function damage and dementia in the elderly. This paper reviews the studies on the relationship between air pollutants and cognitive impairment and dementia in the elderly for providing some new ideas on reducing the incidence of cognitive impairment and dementia.