In the Bronx Longitudinal Aging Study, the occurrence rate of paroxysmal atrial tachycardia is 13% at aged 75 to 85 years old.

老年人房速的发生率较高，75 ~ 85岁老年人中阵发性房速的发生率为13%。

youdao

According gto a German aging study, the maximum lifespan in industrialized countries has increased by two years every decade since the mid 19th century.

德国一项关于寿命的研究指出，19世纪中叶以来工业化国家人口的最高寿命增长迅速——每十年人们的最高寿命就会增长两岁。

youdao

According to a German aging study, the maximum life span in industrialized countries has increased by two years every decade since the mid 19th century.

德国一项关于寿命的研究指出，19世纪中叶以来工业化国家人口的最高寿命增长迅速——每十年人们的最高寿命就会增长两岁。

youdao

The National Institute on Aging in the United States helped pay for the study.

VOA: special.2009.01.21

The study was paid for by the United States National Institute on Aging.

VOA: special.2009.09.01

The VA continues to be at the forefront of HIV and research through ongoing implementation of the Veterans Aging Cohort Study (VACS).

WHITEHOUSE: National HIV/AIDS and Aging Awareness Day: Recognizing the Challenges of Growing Older with HIV/AIDS | The White House

At the same time, social and intellectual activities such as visiting family and friends, reading, playing intellectually stimulating games or learning a new language did nearly nothing to ward off the symptoms of an aging brain, the study said.

WSJ: Exercise Might Beat Puzzles for Protecting the Aging Brain

Since the housing and financial markets began to collapse, about 39% of all Americans have been foreclosed upon, unemployed, underwater on a mortgage or behind more than two months on a mortgage, says Michael Hurd, director of the Rand Corporation's Center for the Study of Aging.

WSJ: Boomers Find 401(k) Plans Come Up Short