Medically reviewed by Nicholas R. Metrus, MD Key Takeaways Mosaic Down syndrome has some cells with three copies of chromosome 21, and some with two instead of all three.Only about 1% to 2% of people ...

Down syndrome is a genetic disorder that occurs when a person receives an extra copy of their chromosome 21, known as Trisomy 21. The additional genetic material disrupts typical development, which ...

Fetal alcohol syndrome (FAS) and Down syndrome are both conditions that are present at birth. While they both affect facial appearance, development, and physical health, they have different causes.

A year after introducing its first doll with Down syndrome, Barbie will add another doll with the chromosomal disorder and debut a blind Barbie. Mattel, which makes the dolls, said it is offering a ...

Teenagers with Down syndrome experience many of the same emotional and hormonal changes as their peers. Their teenage years can also offer the opportunity to expand their functional and social skills.

What Is Demon Face Syndrome? Demon face syndrome, or prosopometamorphopsia, is a rare brain disorder that affects how a person sees faces. If you have this condition, other people’s features might ...

People with Down syndrome have a message for the world: "Assume that I can." An international awareness campaign, launched ahead of World Down Syndrome Day on Thursday, challenges negative biases that ...

Emma McLean is a 6-year-old girl who loves Taylor Swift, reading books, playing the drums and hanging with her little sister. While Emma has Down syndrome — specifically a rare type called Mosaic Down ...

MADISON, Wisc. -- March 21 is World Down Syndrome Day and Madison non-profit Gigi's Playhouse wants the community to come together to celebrate and uplift those with Down Syndrome. Gigi's Playhouse ...

The ad starts with model and actor Madison Tevlin addressing a bartender. “Hey bartender, you assume that I can’t drink a margarita so you don’t serve me a margarita so I don’t drink a margarita,” she ...

Two new Barbie dolls with disabilities are being released on Tuesday, July 23, as part of an expansion of the Barbie Fashionistas line, Mattel announced in a news release. The new dolls, known as ...