But Creutzfeldt-Jakob disease (CJD), to give its proper name, is still a nasty illness that humanity would be better off without.

严重损害人类性情的疾病的准确名称叫克雅氏病（CJD），治疗起来仍然棘手。

Experts don't yet know what causes CJD, nor do they really know how to look for it.

专家们还不知道导致 CJD 的原因，也不知道如何寻找它。

CJD and a handful of similar neurological conditions are caused by the misfolding of a particular protein that is found in the membranes of certain nerve cells.

该病以及类似的经症状是由于某经细胞的细胞膜上的个特殊蛋白发生错误折叠所致。