NEFL and Creutzfeldt Jacob disease: Zerr et al. [29] conducted a comprehensive comparative analysis of plasma NF-L and t-tau levels in healthy controls and patients with a diverse spectrum of neurological disorders, including non-neurodegenerative neurological diseases (both with and without dementia syndrome), AD, CJD, Lewy body disease (LBD), frontotemporal lobular dementia, and vascular dementia.