MICROBIO 160 Study Guide - Quiz Guide: Ames Test, General Idea, Histidine

• School: UMASS-Amherst
• Department: Microbiology
• Course: MICROBIO 160
• Professor: Wilmore Welby

Document Summary

Epidemiology: is the study of how often diseases occur in different groups of people and. Cannot independently give you causation, but gives you a general idea. Looks for causes and risk factors of disease to propose effective strategies for disease prevention and control. Epidemiological studies may be divided into three general types: experimental, descriptive, and observational . Descriptive epidemiology evaluates and catalogs all the circumstances surrounding a person affected by a health event of interest. Attempts to find correlations among characteristics such as diet, air quality and occupation. Comparisons are frequently made between countries and smaller geographical regions. The first stage in an epidemiologic study and provides data for the second phase; analytical epidemiology studies. Human equivalent of animal testing--providing or withholding a substance to determine its toxic or beneficial effects. Greatly limited by ethical and legal considerations as well as difficulties securing the cooperation of a large number of people.