Hyperthymesia

Ask someone what they were doing on this exact day eight years ago, and most people wouldn’t have a clue. People with hyperthymesia, however, can tell you exactly to the minute. Hyperthymesia is rate. So far there are 33 people who can recall every detail about every day of their lives, usually starting from a specific date in their youth. Because the condition is so uncommon, experts do not yet have enough information to theorize a cause or cure.