According to results from a long-term study on aging, adults who eat the daily recommended allowance of folates significantly reduce their risk of developing Alzheimer’s disease. Folates are B-vitamin nutrients found in oranges, legumes, leafy green vegetables and folic acid supplements.The major observational study demonstrates the importance of healthy diet for long-term brain health and found that folates appear to have more impact on reducing Alzheimer’s risk than vitamin E, a noted antioxidant, and other nutrients considered for their effect as a brain-aging deterrent.