What environmental factors are linked to Down syndrome?

People with Down syndrome died about 28 years younger than the general population. Congenital heart anomalies, comorbidities, low birthweight, and Black and ... Mar 8, 2018 ... There's no doubt that an extra copy of chromosome 21 is what causes Down syndrome. There's a lot of doubt, however, over which particular ... Feb 16, 2024 ... What causes Down syndrome? En Español. Down syndrome is caused by a random error in cell division that results in the presence of an extra copy ... Jan 24, 2024 ... Down syndrome affects around 1 in 800 new births and is caused by an extra third copy of chromosome 21. About half of babies born with Down ... Nov 30, 2020 ... Basic studies to improve understanding of the genetic and biological causes of brain abnormalities that lead to Alzheimer's; Observational ... Mar 18, 2021 ... This additional chromosome, or portion of a chromosome, causes the common features of DS: delayed language; impaired long and short-term memory; ... Feb 23, 2024 ... People with Down syndrome are born with an extra chromosome. This can lead to a range of issues that affect them mentally and physically. Jul 16, 2009 ... The research sheds light on the genetic underpinnings of aneuploidy, a condition marked by having an abnormal number of chromosomes. Nov 12, 2024 ... Down syndrome results from an unusual cell division involving chromosome 21. This unusual cell division results in an extra partial or full ... Down syndrome is the most common genetic cause of intellectual disability, affecting approximately 1 in every 700 children. It is named for John Langdon Down, ...