Woman dies on plane from Brazil to Texas

A passenger died aboard an American Airlines flight to Texas. The passenger, a 25-year-old woman, showed no signs of trauma, the Associated Press reported. The flight was diverted to Houston after her death.

American Airlines officials said the flight later continued to Dallas, its original destination, The Houston Chronicle reported.

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Investigators said the body has been sent to the Harris County Medical Examiner’s Office for an autopsy, KHOU reported. While her cause of death isn't known yet, international travel is known to be a health risk because of its links to blood clots. 

A 2007 study from the World Health Organization shows that about 1 in 4,500 travelers develop blood clots from sitting for too long. People who fly four hours or more have three times the risk of developing clots, which can become fatal if left untreated, the New York Times reported back in 2007.