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

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

It is a genetic condition caused when an unusual cell division result in an extra full or even partial copy of chromosome 21.

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

Females, on average, live nearly five years longer than males. They also tend to experience age-related cognitive decline at ...

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

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 ...

World Down Syndrome Day is right around the corner, and I invite you to join us in celebrating on March 21! This special day is dedicated to raising awareness and celebrating individuals with Down ...