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Down syndrome is a genetic disorder caused by an extra copy of chromosome 21, affecting about 1 in 1,000 babies worldwide. It is associated with developmental delays, intellectual disability, and characteristic physical features. Learn more about the diagnosis, prognosis, and care of people with Down syndrome.
Paris syndrome is a severe form of culture shock that affects some visitors to Paris, especially from Japan, China and South Korea. It causes symptoms such as delusions, hallucinations, anxiety and psychosomatic problems, often triggered by the discrepancy between idealized and real Paris.
This is a list of people with Down syndrome, a genetic disorder caused by the presence of an extra chromosome 21. It includes actors, athletes, activists, musicians, and other notable figures from various countries and fields.
John Langdon Down (1828-1896) was a British physician who described Down syndrome and pioneered the care of mentally disabled patients. He also worked in social medicine, advocated for women's education and wrote a book on mental affections.
Down syndrome is a chromosomal abnormality caused by an extra copy of genetic material on chromosome 21. Learn about the different types of Down syndrome, such as trisomy 21, translocation, and mosaicism, and how they affect the karyotype and phenotype.
Jérôme Jean Louis Marie Lejeune (13 June 1926 – 3 April 1994) was a French pediatrician and geneticist, best known for his work on the link of diseases to chromosome abnormalities, most especially the link between Down Syndrome and trisomy-21 and cri du chat syndrome, amongst several others, and for his subsequent strong opposition to the improper and immoral use of amniocentesis prenatal ...
Sundowning, or sundown syndrome, is a neurological phenomenon associated with increased confusion and restlessness in people with dementia. It is most commonly associated with Alzheimer's disease and occurs in the late afternoon and evening. Learn about the possible causes, risk factors, and non-pharmacological and pharmacological treatments of sundowning.
XX male syndrome, also known as de la Chapelle syndrome, is a rare condition in which a person with two X chromosomes develops a male phenotype. Learn about the causes, symptoms, diagnosis, and treatment of this disorder.