Sam Berns has a condition known as Progeria. Progeria has been described as a premature aging condition although Progeria also has features which are not typically seen in the ageing process such as delayed tooth eruption and bone hypoplasia.
At the age of 17, Sam Berns has developed some rules for happiness which he discusses in this talk. He focuses on the things that he is able to do and on moving forward. His talk is an inspiring story of resilience.
Addendum
Sam Berns passed away on January 10th 2014.
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The Amazing World of Psychiatry: A Psychiatry Blog 
Thank you for sharing! Great lessons for all of us!
Best,
Amita Patel
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