True, almost all regions of the world are currently experiencing an increase in the prevalence of NCDs – in part because, as deaths from acute infectious diseases and injuries decline, people live long enough to develop these diseases. But NCDs are increasing for many other demographic and epidemiological reasons as well – and understanding these has implications for health policy, and even for economic development.
诚然，几乎在世界所有地区，都在经历NCD的普遍发生，这部分是因为随着急性传染病和伤害致命人数的下降，人们的寿命得到了增加，使得越来越多的人患上了NCD。但CND的增加同样也有人口和流行病因素在其中，弄清楚此中缘由将对卫生政策甚至经济发展都带来重大影响。