The Harvard article suggests that protecting the brain with a heart-healthy diet could be the key to warding off dementia and keeping your memory intact well into your golden years. Some studies have suggested certain foods have a positive impact on memory, but no study thus far has revealed the existence of a miracle food. The idea that a heart-healthy diet could also prove beneficial to the brain and memory has become popular with doctors studying Alzheimer's disease and dementia. Some of the risk factors associated with heart disease are similar to those associated with dementia and Alzheimer's. Foods recommended for a heart-healthy diet include fruits, vegetables, and whole-grain bread, as well as beans, nuts, and olive oil. If you can't use every one of these 10 scientific secrets to a perfect memory, a healthy diet might help you avoid losing it!