From trauma and alcohol abuse to dementia and neurological infections, amnesia can be caused by many things, and while this tragic affliction is still mysterious and misunderstood in many medical circles, there are some natural remedies that have proved highly effective over the years. Apple, surprisingly enough, have often been trusted to remedy or alleviate some of the symptoms of amnesia. The high content of potassium and phosphorous found in apples can stimulate cognition and relax the tension in blood vessels in the brain, allowing oxygenated blood and keeping neural pathways healthy and intact.