The term is used in medicine, especially in reference to advance directives (also known as living wills), where there is some controversy over whether a decision made by a person in one state of health should be considered binding upon that person when they are in a markedly different, usually worse, state of health.
The term is used in medicine, particularly in the context of advance directives (also known as living wills), where there's debate about whether decisions made by someone while healthy should hold legal weight when they become seriously ill or incapacitated.