Figure 1From: Vascular risk factors and Alzheimer's disease: are these risk factors for plaques and tangles or for concomitant vascular pathology that increases the likelihood of dementia? An evidence-based review Graph showing two alternative explanations. Do vascular risk factors (VRF) increase the probability of dementia by increasing plaques and tangles (arrows) or through subclinical infarcts (INF) (red line)? AD, Alzheimer's disease.Back to article page