Epidemiology is the branch of medical science that investigates all the factors that determine the presence or absence of diseases and disorders. that deals with the study of the causes, distribution, and control of disease in populations. Much of the data that epidemiologists collect comes from self-report from answers provided by people participating in a study.
A journal is a periodical publication intended to further progress of science, usually by reporting new research. Most journals are highly specialized, although some of the oldest journals publish articles, reviews, editorials, short communications, letters, and scientific papers across a wide range of scientific fields. Journals contain articles that peer reviewed, in an attempt to ensure that articles meet the journal's standards of quality, and scientific validity. Each such journal article becomes part of the permanent scientific record.
Last date updated on September, 2014