Dementia is not part of aging naturally, but caused by disease. A healthy body can help protect your brain.
This quiz is an informal guide based on the findings of a BBC commissioned panel of independent experts, chaired by Alzheimer's Society. The panel reviewed key scientific papers and gave their opinion on what lifestyle factors can help reduce risk.
This quiz is intended for general information only. It should not be treated as a substitute for the medical advice of your own doctor or any other health care professional. It is not a diagnostic tool.