A new study conducted by researchers at The University of California Irvine suggests that folates or B-vitamin nutrients found in oranges, legumes, leafy green vegetables and folic acid supplements are more effective in limiting Alzheimer's disease risk than antioxidants and other nutrients. The team led by Maria Corrada and Dr Claudia Kawas of UC Irvine's Institute for Brain Aging and Dementia analyzed the diets of non-demented men and women aged 60 and older. They compared the food nutrient and supplement intake of those who later developed Alzheimer's disease to the intake of those who did not develop the disease. "Although...