IL6 and dementia: Further studies also revealed that CRP, IL-1ß, IL-2, IL-4, IL-6, IL-8, IL-10, IL-12, IL-18, monocyte protein-1 (MCP-1), MCP-3, interferon-γ-inducible protein 10 (IP-10), and tumour necrosis factor α (TNF-α) are associated with the incidence of Alzheimer’s disease, the most common form of dementia, accounting for 60–80% of all cases [8, 9].