The problem may last a few seconds, but it can get worse and worse with age, leading to a heart attack or stroke.

VOA: special.2010.03.02

So people were dying of old age and that was really heart disease that was killing them they just didn't know, so it's multi-factorial and we'll talk about that.

老死的人实际是死于心脏病,只不过人们不知道这一点罢了,这是个多因素的问题,我们以后会进一步探讨

耶鲁公开课 - 生物医学工程探索课程节选

As he was dying of tuberculosis at the age of 39, he asked that his heart be removed and taken back to his homeland.

VOA: standard.2010.03.04

"Heart failure really begins to increase over the age of 60 when the chances of heart transplantation diminish, so this is going to be a major therapeutic option for a great many patients in the future,"

VOA: standard.2010.01.27

At the heart of the controversy were changes to marriage laws, including articles that set the legal minimum age for marriage at 18, recognize only civil marriages, allow joint property ownership, expand parental rights, and extend inheritance rights to girls.

VOA: standard.2009.08.27