A new study suggests ginkgo biloba may not help prevent stroke , Alzheimer 's . People should take steps to keep their memory sharp . Studies have shown that physical exercise , the kind that keeps the heart healthy , also keeps the brain healthy , according to the National Institutes of Health 's Cognitive and Emotional Health Project . Antioxidants , fish oil , curry , brain and body exercises appear to help .
A new study suggests ginkgo biloba may not help prevent stroke , Alzheimer 's . People should take steps to keep their memory sharp . Antioxidants , fish oil , curry , brain and body exercises appear to help .