What is the range of intellectual disability seen in Down syndrome?

Aug 11, 2023 ... Blood disorders — Down syndrome can cause blood cell abnormalities, including a form of blood cancer called leukemia. Immune system problems — ... Dec 6, 2024 ... Down syndrome is by far the most common and best known chromosomal disorder in humans and the most common cause of intellectual disability. What is Down syndrome? Down syndrome is caused by the presence of an extra chromosome number 21 in the cells of the developing baby. Feb 17, 2022 ... Congenital Heart Defects affect approximately 50% of babies born with Down syndrome. Learn more about causes, common types, and treatments. Down syndrome is caused by an extra chromosome 21. Down syndrome affects people differently. It causes learning difficulties and health problems. This work underlines a Pcp4-dependent ciliopathy in Down syndrome brain affecting cerebrospinal fluid flow. Trisomy 21, commonly known as Down syndrome, is a genetic disorder that causes intellectual disability, developmental delays, certain facial features, and ... Researchers finally determined the source of DS: the presence of an extra copy of chromosome 21, a condition often referred to as trisomy 21. Depending on the cause and severity, the diagnosis and treatment of a tremor may be done by a primary care provider, a neurologist, and/or a movement disorder ... Oct 27, 2023 ... Hypotonia often causes babies with Down syndrome to appear “floppy.” The poor muscle tone can and often does improve with age and physical ...