唐氏综合症是人类最常见的一种染色体病，也是人类第一个被确认的染色体病。
提示：Alzheimer's, Down syndrome, brain-wasting disease
People with Down syndrome often have other conditions. These include problems with their heart and with their breathing and hearing. But a lot of these conditions are treatable. As a result, people with Down syndrome are living longer. In 1983, they lived an average of just 25 years. Today the aver…
患有唐氏综合症的人经常会有其他症状。这包括心脏、呼吸与听力方面的问题。但是许多这些症状是可以治疗的。 结果，唐氏综合症患者如今活得更久了。在1983年，他们的平均寿命只是25年。而如今，平均期望寿命为56年。然而这更长的寿命引出了一个悲哀的发现。唐氏综合症患者在早年患上阿尔茨海默病的风险也许会增长。 国…