The diagnosis for baby's genetic mutation has improved.The researchers succeeded to detect the Down's syndrome using the mother blood and father saliva.It is well-known that non cellular DNA is floating into the pregnant women's blood. Pre…

Usually, we use the "risk" to explain the possibility to become illness.However, I suppose that it is difficult for almost all the people to understand the meaning of risk.For example, one patient have the symptom of cancer and the doctor …