Mosaic Down syndrome, or mosaicism, is a rare form of Down syndrome. People with this form may have fewer symptoms of Down syndrome. Down syndrome is a genetic disorder that results in an extra copy ...

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.

"CBSN: On Assignment" airs Mondays at 10 p.m. ET/PT on CBS and on our streaming network, CBSN. Explore more on this topic in our "Behind the Lens" report. With the rise of prenatal screening tests ...