BDNF and Insulin resistance: Some of these molecules include C reactive protein (CRP) [12], interleukin-6 (IL-6) [13], leptin and interleukin-1 (IL-1 β) [14], homeostasis model assessment of the insulin resistance (HOMA-IR) score along with glycosylated hemoglobin (HbA1c) [15], advanced glycation end products (AGEs) [16], tau protein [17], glycogen synthase kinase 3β (GSK-3β) [18], brain-derived neurotrophic factor (BDNF) [19] and microRNAs [20].