Public Health areas are usually³
One area is Epidemiology, which is the study of linking health problems to a specific cause in a human population. This is usually done in controlled case studies.
A specialist at this field tries to determine what or how many influences there are to certain diseases. These factors cannot be completely proven to have an exact impact on the disease itself but could be a one of several reasons.†
Reduce the cost of dental procedures by 20%-50% immediately!