For decades, the dream of fixing harmful mutations in mitochondrial DNA felt out of reach. Scientists have long known these ...

You’ve likely heard people mention that they have inherited certain health conditions from their family. These are known as ...

Down syndrome, also known as Trisomy 21, is a condition where people, by chance, are born with an extra chromosome and as a result have some form of learning disability.

To mark World Down Syndrome Day on March 21, Fox News contributor Tom Shillue headed to Times Square to speak with a father of a girl with Down syndrome about common misperceptions.

Down's syndrome occurs in about one of every 700 children worldwide, and arises when a child is born with an extra copy of chromosome 21, a condition also known as trisomy 21. This leads to the ...

A donor heart saved Charlotte Woodward's life 13 years ago. Now Woodward, 35, is fighting for others with Down syndrome or other disabilities to have the same chance. Research has shown that ...

Family with 6 children born with Down Syndrome advocates for community 02:36. The Spring family of Hutchinson, Minnesota, is the subject of two documentaries, as six of their 12 children were born ...