Individuals generally require more medical services as they grow older.
Advances in care - Modern medical treatments have increased our life span. These advances allow medical personnel to offer lifesaving treatment to premature infants and the elderly. Technology - Advances in technology have resulted in the use of more tests to diagnose medical conditions. As a result, more health care workers are needed to administer and interpret these tests. Unless you have spent a lot of time in a health care setting, you may think of doctors and nurses as the only members of the health care team.