Define epidemiology.

You are an epidemiologist, and have been asked to speak at Career Day for Myers College, a community college in your area. The theme of this year's Career Day is "Little Known Health Science Fields." Epidemiology has been identified as one such field, and you have been tasked with introducing the science to the students. In 500 words, address the following:

1. Define epidemiology.
2. Identify five objectives of epidemiology.
3. Identify and explain three subspecialties within epidemiology.

Refer to the "Areas of Epidemiology" resource.

You are required to use a minimum of two scholarly resources.

Areas of Epidemiology

•Environmental epidemiology 

•Clinical epidemiology 

•Genetic epidemiology 

•Molecular epidemiology 

•Nutritional epidemiology 

•Social epidemiology 

•Lifecourse epidemiology 

•Epi methods development / Biostatistics 

•Meta-analysis 

•Spatial epidemiology 

•Biomarker epidemiology 

•Pharmacoepidemiology 

•Primary care epidemiology 

•Infection control and hospital epidemiology 

•Public health practice epidemiology 

•Surveillance epidemiology 

•Disease informatics 

•Infectious disease epidemiology 

•Cardiovascular disease epidemiology 

•Cancer epidemiology 

•Neuroepidemiology 

•Epidemiology of aging 

•Oral/Dental epidemiology 

•Reproductive epidemiology 

•Obesity/diabetes epidemiology 

•Renal epidemiology 

•Injury epidemiology 

•Psychiatric epidemiology 

•Veterinary epidemiology 

•Epidemiology of zoonosis 

•Respiratory epidemiology 

•Pediatric epidemiology