Nineteen percent of the patients had suffered a tear in an artery, most often in the carotid (neck) artery, and 17 percent had suffered an aneurysm (a bulge in an artery), most often in the renal (kidney) artery, the study authors reported in a symposium news release.
and analyzed with no less care than studies intended to examine risk-fac-tor associations with cancer. If proper care is not taken, descriptive studies will divert scientific resources, especially public health department resources, away from more productive activities. Descriptive epidemiology studies can also be used to evaluate cancer
The key elements are: an understanding of disease processes (like what a vector is), knowledge of data or information available (like numnber of infections), knowing what a Geographic Information Systems (GIS) is (to analyze patterns).and an understanding of social sciences (that can indicate risk factors). Epidemiology is the study of the spread of disease. It helps scientists to predict how far a disease will spread, how much damage it may do, and plan treatment, the crea â¦ tion of vaccines, and so forth. The current preparations for swine flu were a result of epidemiological studies.  . 7 people found this useful.