It results from a variety of diseases and injuries that affect the brain, such as Alzheimer disease or stroke.

老年痴呆是多种影响大脑的疾病和损伤所导致的后果，比如阿尔茨海默病或中风。

Hypoparathyroidism, in turn, may be caused by a variety of diseases and factors.

甲状旁腺机能减退又可能是由多种疾病和因素引起的。

Endocardial fibroelastosis happens most often in children, and is thought to be caused by a variety of diseases and stresses, like infections and even nutritional deficiencies.

心内膜弹力纤维增生症通常发生在小孩身上，且被认为是由各种疾病和压力导致，比如说感染以及甚至是营养物质的缺乏。

The modern use of lupus usually refers to a variety of diseases that affect the skin which was possibly originally used since these diseases resemble a wolf bite on the patients' skin.

如今 “狼疮”一词指的是出现皮肤症状的多种疾病，这一词最初被使用时，可能是因为这些疾病的皮肤损伤看起来像是狼的咬痕。

Liu Wansu believed that " fire-heat" was the main cause of a variety of diseases and these diseases should be treated with drugs cold and cool in nature. So his theory was known as the " School of Cold and Cool" .

刘完素认为" 火热" 是疾病之源，应治以寒凉药，被称" 寒凉派" 。