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
Epidemiology is the study of the distribution and determinants of health problems in specified. populations and the application of that information to control health problems. In other words, epidemiology is the study of health problemsâspecifically who they affect, what factors play a role in. getting a disease and how to contain it.