Temporal arteritis, also known as giant cell arteritis, is a condition that involves blood vessel inflammation and damage. According to the University of Maryland Medical Center, this condition may affect the medium or large arteries that supply blood to your head, neck, upper body and arms.
Definition of opportunity cost. : the added cost of using resources (as for production or speculative investment) that is the difference between the actual value resulting from such use and that of an alternative (such as another use of the same resources or an investment of equal risk but greater return)
Video: Opportunity Cost: Definition & Real World Examples Learn the most important concept of economics through the use of real-world scenarios that highlight both the benefits and the costs of decisions. Opportunity cost is a simple yet powerful principle that reveals how to make the best economic decisions possible, and it explains why people make the choices they do.