The sixth leading cause of death was Alzheimer's disease, one of six diseases or causes for which the age-adjusted death rate increased significantly, the study says.
第六号死亡因素是老年痴呆症，据研究称，这是导致年龄调整死亡率上升的重要的六种疾病中的一种。
2
The overall trend in the age-adjusted mortality rate was increasing in Europe and Japan but decreasing in the United States.
年龄调整死亡率在欧洲和日本总体呈上升趋势，而在美国整体呈下降趋势。
3
The worst state for mortality was West Virginia, where the age-adjusted death rate was more than one-and-a-half times greater than in Hawaii — 958 per 100,000 people.