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 .
A new study found ginkgo biloba may not help prevent dementia , Alzheimer 's . People can take steps to keep their memory sharp . Antioxidants , fish oil , curry , brain and body exercises appear to help .