A disease or illness that does not receive medical attention may result in death. Illnesses such as malaria, HIV, and Aids impacts the citizens of Angola on a daily basis. Therefore, in Angola, it is extremely rare for someone to live over sixty years old. People with these illnesses die because they do not get the proper care they need. In addition, Haiti is another country that experiences a poor medical system. Some of the most common illnesses are malaria, typhoid, tuberculosis, intestinal parasites, and sexually transmitted diseases. On the other hand, environmental surroundings can also become the cause of death. For example, in Mongolia the infectious disease rate is not nearly as high as the injuries which occur from the surrounding