Service utilization is the biggest factor behind spending variation, with prices, disease prevalence, and demographics playing smaller roles.

Researchers present the most comprehensive study on U.S. health care spending and variations across 3,110 counties by four ...

Two-thirds of humanity now live in countries where fertility rates have fallen below replacement levels, posing a threat to ...

When formulating the parameters of foreign relations with other states, whether far or near, there are several essential factors that need to be considered.