[Source: Medical X-Press]

People with Down syndrome, or trisomy 21, a genetic condition caused by an extra copy of human chromosome 21, experienced a remarkable increase in life expectancy during the 20th century. In the early 1900s, less than 20% of newborns with Down syndrome survived past age 5. In the U.S. today, more than 90% of babies with this condition live past age 10 and have a life expectancy of nearly 60 years. These increases were likely fueled by greater inclusion in general society, the discontinuation of institutionalization in psychiatric facilities and better medical care.

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