National Center for Health Statistics (U.S.)

Where to Write for Vital Records is an alphabetical directory provided for those users who want direct access to individual State and territory information. Links are also provided to related resources.

Patterns of prescription drug use may reflect underlying patterns of health conditions and health care access in the population. Polypharmacy, often defined as the simultaneous use of five or more prescription drugs, is more common in an aging population where multiple coexisting chronic conditions often occur; however, safety concerns may arise. The United States and Canada share many cultural and historical ties, but with different models for health...