It gets worse over time. The disease affects a small area of cells in the middle of the brain.

VOA: special.2009.04.07

It was easy to tell if somebody had an infectious disease but you might not have known that they had cancer at that time and they just died.

如果有人患有感染性疾病,那很容易判断,但在那个时候医生可能不知道,病人得的就是癌症,病人就这么死去了

耶鲁公开课 - 生物医学工程探索课程节选

What was known at that time was that there was a disease in people, and there was a different disease in cows, and they looked the same some way.

当时人们所知道的就是,人得了一种病,奶牛得了另一种病,这两种病在某些方面很像

耶鲁公开课 - 生物医学工程探索课程节选

At the same time, only two of the eight ancient people who died at an earlier age showed signs of the disease.

VOA: special.2009.12.15

You could take weights on people measured over a period of many years and look at the variability over time in weight and then link it to things like heart disease and cancer, and I'll come back later and talk about the results of that particular study.

我们还可以得到人们很长一段时间里,每年的体重数据,观察体重随着时间变化的变动,并将观察结果与心脏疾病和癌症联系起来,我等一下会告诉大家这项研究的结果

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Over time,high blood sugar can lead to blindness, kidney failure, heart disease and nerve damage.

VOA: special.2010.01.13

And it turned out that another, not quite as deadly, but still very serious disease called syphilis was also common in this part of the world at that time.

现在已知另外一种疾病,它并不完全致命但也很严重,它叫梅毒,在那时的一些地方也很常见

耶鲁公开课 - 生物医学工程探索课程节选

This is the first time genomes of people suffering from disease have been completed.

VOA: special.2010.03.23

Sometimes, symptoms of the disease appear and then disappear for a long time.

VOA: special.2009.01.06

This means that the disease gets worse as time passes.

VOA: special.2009.01.06

"And with regard to the burden of disease it more than doubled,it increased over that 16 year period of time about 127 percent."

VOA: standard.2010.08.10

Ruhli,who is a medical doctor as well as a paleo-pathologist, says looking back can help scientists look forward, by revealing how the disease evolved over time.

VOA: standard.2010.05.05

As for cost,Dr.Miller says patients with a heart pump spend less time in a hospital and have lower hospital costs than patients with severe heart disease.

VOA: standard.2010.01.27

Senior manager Tshepo Ramodibe said the group hopes to use the upcoming football World Cup, being played for the first time on African soil, to broaden awareness of the disease and the way it can be prevented and treated.

VOA: standard.2010.04.23

"Just imagine,a severe pandemic coming at such a fragile time in a world where there are many people suffering from chronic diseases like heart disease, lung disease,including asthma, cancers,with many more people suffering from HIV, obesity and the list goes on,".

VOA: standard.2009.12.29

"And this fired my imagination. I thought,'My gosh, we could do something like that.'" Sir Clem Renouf, then president of Rotary International, convinced Rotarians across the globe to unite against the disease by raising money to fight the virus and by volunteering their time toward that effort.

VOA: standard.2010.08.02