Did you know that there is a rare condition known as highly superior autobiographical memory (HSAM) that causes people to remember just about everything that has occurred in their life? This includes every conversation and emotion which they have ever experienced as well as every person they met, regardless of the significance of it.

The condition is also knows as Hyperthymesia, the causes of this rare condition is still unknown but some scientists believe that it is genetic.

There are only 61 people worldwide who have been identified as having hyperthymesia, one of which is actress Marilu Henner, best known for her work on the show Taxi ( ). People having this condition can recall almost every single detail of their life, every conversation, every date, every interaction.

You might think this is awesome that someone can think back to any date and remember anything, whatsoever they did or everything happened that day but many who have this rare condition sometimes find it very irritating and it interrupts their day-to-day affairs and relationships with friends and family.


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