What Is One of the Things Wrong with Kasl and Cobb's

Multiple Choice

What is one of the things wrong with Kasl and Cobb's definition of health behaviour as 'any activity undertaken by a person believing themselves to be healthy for the purposes of preventing disease or detecting it at an asymptomatic stage'?

A) It does not assume that the only motivation of health-related behaviours is to maintain health
B) It includes the possibility that people who consider themselves as not being healthy may engage in healthy behaviours
C) It includes the possibility that people may engage in healthy behaviours following the onset of disease
D) It assumes that only motivation of health-related behaviours is to maintain health