A Person Who Studies Diseases?

Epidemiologists are scientists who study diseases within populations of people.

In essence, these public health professionals analyze what causes disease outbreaks in order to treat existing diseases and prevent future outbreaks.

What diseases do epidemiologists study?

The science of epidemiology was first developed to discover and understand possible causes of contagious diseases like smallpox, typhoid and polio among humans. It has expanded to include the study of factors associated with non-transmissible diseases like cancer, and of poisonings caused by environmental agents.

What is the study of disease?

Epidemiology. Epidemiology is the study and analysis of the distribution (who, when, and where), patterns and determinants of health and disease conditions in defined populations.

What does an epidemiologist do?

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 research, community education and health policy.

What are the 3 major types of epidemiologic studies?

Three major types of epidemiologic studies are cohort, case-control, and cross-sectional studies (study designs are discussed in more detail in IOM, 2000). A cohort, or longitudinal, study follows a defined group over time.

What is the salary of a epidemiologist?

$69,660

What are the 10 most common diseases?

  • Cancer.
  • Unintentional injuries.
  • Chronic lower respiratory disease.
  • Stroke and cerebrovascular diseases.
  • Alzheimer’s disease. Deaths in 2017: 121,404.
  • Diabetes. Deaths in 2017: 83,564.
  • Influenza and pneumonia. Deaths in 2017: 55,672.
  • Kidney disease. Deaths in 2017: 50,633.

What are the 4 types of diseases?

There are four main types of disease: infectious diseases, deficiency diseases, hereditary diseases (including both genetic diseases and non-genetic hereditary diseases), and physiological diseases. Diseases can also be classified in other ways, such as communicable versus non-communicable diseases.

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Who studies the causes of diseases?

Epidemiology is the study of diseases in populations of humans or other animals, specifically how, when and where they occur. Epidemiologists attempt to determine what factors are associated with diseases (risk factors), and what factors may protect people or animals against disease (protective factors).

What are the most common disease?

So, without further ado, here are the five most common infectious diseases.

  1. Hepatitis B. According to current statistics, hepatitis B is the most common infectious disease in the world, affecting some 2 billion people — that’s more than one-quarter of the world’s population.
  2. Malaria.
  3. Hepatitis C.
  4. Dengue.
  5. Tuberculosis.

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