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Progeria is an extremely rare genetic condition that causes children diagnosed with it to have lives that last approximately 13 years. Their cause of death is due to either heart problems or strokes. The symptoms of progeria are bigger head, large eyes, a small lower jaw,  thin nose with a “beaked” tip, ears that stick out, veins you can see, slow & abnormal tooth growth, high-pitched voice, loss of body fat and muscle, hair loss, including eyelashes & eyebrows.

Only one out of four million people are diagnosed with progeria. Unfortunately there is no cure for progeria. 

http://www.webmd.com/children/guide/progeria
http://www.mayoclinic.org/diseases-conditions/progeria/basics/definition/con-20029424