几种常見的和少見的疾病人受到不同的細菌、病毒感染后,会得各种各样的傳染病。吃了腐敗的食物,可能上吐下泻,甚至昏迷。不幸受到外伤就会皮破血流,有时发生骨折。严重的甚至会丧命。这些現象常常使人們誤认疾病都是由外来的各种因素引起的,如果沒有这些因素,似乎人就不会得病。其实,事情沒有那么簡单,有些疾病是生来就有的。部分近視眼和不能分辨某些顏色的色盲以及眉毛、鬚发、皮肤都是白色的白化病,都是常見的先天性疾病。这类疾病还有不少,有些很罕見而且非常奇特。例如几个月前,北京协和医院妇产科接受了两个产妇;一个产妇,三十岁,以前生过三个孩子,但都是在出世后不久就全身发黄死去;另一个产妇怀孕五 Several common and rare diseases people are infected by different bacteria and viruses, they will get a variety of infectious diseases. Eating tainted food may cause diarrhea and even coma. Unfortunately traumatic injuries cause skin to break and fractures sometimes occur. Serious will even die. These phenomena often make people mistaken that the disease is caused by a variety of external factors. Without these factors, it seems that people will not get sick. In fact, things are not so simple. Some diseases are born. Some of the myopia and the inability to distinguish certain colors of color blindness and eyebrows, hair, skin are white albinism, are common congenital diseases. There are many such diseases, some very rare and very strange. For example, a few months ago, Peking Union Medical College Hospital Obstetrics and Gynecology received two maternity; a maternal, 30-year-old, had previously had three children, but all died after the body was born soon; another maternal pregnancy five