Go to the U.S. National Library of Medicine website and review the Glossary of Frequently Encountered Terms in Health Economics. Focus on terms that define medical care demand including health demand, elasticity, principle, and agent. Compare and contrast primary individual factors of health demand, elasticity, principle, and agent that influence medical care demand, and explain the significant ways in which each affects the medical care demand curve. Provide at least one example of these factors to support your rationale.