"There's actually, in the last several years, been convincing evidence that replacing saturated fat in one's diet with carbohydrates has very little effect on heart disease.

VOA: standard.2010.03.25

Another example is in the nervous system, patients that have Parkinson's disease have too little of a natural ligand called dopamine.

另一个例子有关神经系统,帕金森氏病的患者,缺乏一种叫做多巴胺的天然的配体

耶鲁公开课 - 生物医学工程探索课程节选

It's a little disease called the citrus canker.

NPR: The Marketplace Report: Greenspan's Successor

For Ms Reno, who is in any case ill with Parkinson's disease, little of comfort lies ahead.

ECONOMIST: Government evasion

Health officials admit that there's little way of monitoring any disease caused by asbestos and say people may often die of lung cancer without it being diagnosed.

BBC: News Online