We all know that blood saves lives, and most of us are familiar with the importance of donating blood when and if we can. As medical science has progressed, however, the ways in which blood can be donated, and even the types of blood it is possible to share, have increased, bringing with them a number of issues that society must debate.
All cultures have their own traditions surrounding the process of giving birth, and some of these involve the placenta and umbilical cord, used to allow the transfer of substances between mother and child before birth takes place. While some cultures espouse the ingestion of a mothers placenta, western medicine has found another use for this organ, or at least for what is contained within.
The placenta and umbilical cord contain a type of blood that is rich with stem cells, which can be used to great benefit in patients suffering from a variety of immune disorders. The most widely known use of such cells is in bone marrow transplants, where patients suffering from cancer receive the bone marrow from a living donor, replacing the unhealthy blood cells of the patient for the life-saving ones of the voluntary donor. The process of...