Down syndrome is a genetic disorder caused by an extra chromosome 21, affecting brain and body development. It leads to ...

Scientists discover that women's second X chromosome awakens later in life, expressing genes that protect the brain from ...

A Gen Z mom’s emotional TikTok about her baby with Down syndrome is changing the narrative. See how little Addie is reaching ...

The combination of medical advancement with educational backing and societal acceptance allows individuals with Down syndrome ...

While Emma has Down syndrome — specifically a rare type called Mosaic Down syndrome — some people don’t believe it. “At the ...

In doing so, the scientists realized that Mrs. Morgan was right - the fly's cells did indeed appear to contain an extra chromosome. Specifically, these cells contained two X chromosomes as well as ...

Down syndrome is caused by the presence of a third copy of the 21st chromosome. The condition occurs in approximately 1 in 700 live births and is relatively easy to diagnose at early stages of ...

World Down Syndrome Day is March 21 (or 3-21) to represent the third copy on a 21st chromosome. The event took place at a ...

For the past 40 or 50 years, researchers searched for the trigger behind sex-biased autoimmunity. “We have thought that the X chromosome had something to do with the autoimmune predominance. This ...

Students and staff at Sierra House Elementary School in South Lake Tahoe will be recognizing World Down Syndrome Day on ...

I gave birth to a beautiful baby girl with almond shaped eyes,” a woman named Sarah wrote on Cincinnati Children’s Hospital’s website. “The doctors and nurses didn’t notice, but I did. After days of ...