Epidemiologists are public health professionals who investigate patterns and causes of disease and injury in humans. They seek to reduce the risk and occurrence of negative health outcomes through community education and health policy.hey are often involved with education outreach and survey efforts in communities. Research epidemiologists typically work for universities or in affiliation with federal agencies such as the Centers for Disease Control and Prevention (CDC) or the National Institutes of Health (NIH).
Death by natural causes. From Wikipedia, the free encyclopedia. A death by natural causes, as recorded by coroners and on death certificates and associated documents, is one that is primarily attributed to an illness or an internal malfunction of the body not directly influenced by external forces.
The mean age at death (all breeds, all causes) was 11 years and 1 month, but in dogs dying of natural causes it was 12 years and 8 months. Only 8 percent of dogs lived beyond 15, and 64 percent of dogs died of disease or were euthanized as a result of disease. Nearly 16 percent of deaths were attributed to cancer, twice as many as to heart disease. [...] In neutered males the importance of cancer as a cause of death was similar to heart disease. [...