Research from this thesis is published in: Bennett,S., Grant,M.M., and Aldred,S. (2009). Oxidative Stress in Vascular Dementia and Alzheimer's Disease: A Common Pathology. J. Alzheimers Dis. Jun; 17(2):245-57. DOI: 10.3233/JAD-2009-1041 Aldred,S., Bennett,S., and Mecocci,P. (2010). Increased low density lipoprotein oxidation, but not total plasma protein oxidation, in Alzheimer's disease. Clin. Biochem. Feb;43(3):267-71.