B. M. van Gelder et al., «Coffee Consumption Is Inversely Associated with Cognitive Decline in Elderly European Men: The Fine Study,» European Journal of Clinical Nutrition 61, no. 2 (2007): 226–32; Eduardo Salazar-Martinez et al., «Coffee Consumption and Risk for Type 2 Diabetes Mellitus,» Annals of Internal Medicine 140, no. 1 (2004): 1–8.