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).
âOld ageâ is not truly a cause of death in and of itself. To âdie of old ageâ means that someone has died naturally from an ailment associated with aging. The same usually goes for âdying of natural causes.âTraditionally, government health authorities have required residentâs causes of death to be listed on death certificates.
Bereavement, the deep grief following the death of a loved one, is a normal response to loss. For some people, however, the natural feelings of grief such as guilt, insomnia, numbness, and crying may result in more serious conditions including complicated grief and major depressive disorder.rief after death is natural, but can develop into a more serious condition: depression. Learn how to tell the difference and how to cope.