Traditional research on memory has focused on the advantages of remembering everything, but looking through years of recent memory data, researchers found that the neurobiology of forgetting can be just as important to our decision-making as what our minds choose to remember. When you forget, you get rid of outdated information that allows you to create space for more valuable information. Take a look here to see why a bit of forgetfulness from time to time is a sign of a perfectly healthy memory system.