Patients with diabetic nephropathy, kidney disease caused by diabetes and treated with high doses of vitamin B, suffered rapid deterioration of the kidneys, a recent study has found. Diabetics in addition to kidney function loss also were affected by higher rates of heart attack and stroke than those who took a placebo, according to the clinical research in the April 28 edition of the Journal of the American Medical Association (JAMA). Diabetic nephropathy affects the network of tiny blood vessels in the glomerulus, a structure in the kidney made of capillary blood vessels, which is needed to filter blood. Despite...