And so he's in that 90% where we aren't able to figure it out.

所以他属于我们没弄清致病原因的那 90%。

Attention should be paid to treat causes contributing to disease, for example, adenoids and nasal allergy.

应注意其他致病原因的治疗，例如腺样体过敏。

Researchers working on a project called MinE announced they identified a gene that is partly responsible for the disease.

究项目名为MinE，其究人员发现，ALS致病的分原因是一种基因。

However, there's been 200 separate viruses and organisms that have been attributed to the causes of the common cold.

然而，已有 200 多种不同的病毒微生物被认为是普通感冒的致病原因。

When cardiomyopathy develops as a way to compensate for some other underlying disease like hypertension or valve diseases, it's called secondary cardiomyopathy, but when it develops all by itself, it's called a primary cardiomyopathy.

当心肌病的产生是由于心脏为了代偿其他潜在疾病时，比如说高血压或者心瓣膜疾病，它就叫做继发性心肌病，但如果它的致病原因在心脏自身时，则称为原发性心肌病。