(DAILYMAIL) — While some are throwing fantastical Doomsday countdown parties, The National Aeronautics and Space Administration is issuing grave warnings that 2012 Mayan apocalypse rumors pose a real-life threat to frightened children and depressive teenagers.

David Morrison, an astrobiologist at NASA Ames Research Center, said on Wednesday that he receives a large number of emails and letters from worried citizens, most often from young people.

Some say they can’t eat, or are too worried to sleep, while others say they are suicidal, Morrison said.

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