Final answer:
Health utility is defined as the value or worth of a specific health state and can be measured by the preferences of individuals for any set of health states.
Step-by-step explanation:
The value or worth of a specific health state that can be measured by the preferences of individuals for any set of health states is known as health utility. Health utility is a concept commonly used in health economics and outcomes research to assess the overall value or desirability of different health outcomes. It provides a standardized way to compare the impact of different health conditions on individuals' quality of life.