Which of the Following Suggests That Chronic Illnesses Helped in Propagating

Which of the following suggests that chronic illnesses helped in propagating the field of health psychology?

A) Chronic illnesses often result in problems in family functioning.
B) Chronic illnesses are short-lived,and its management is simple.
C) Psychological factors are the sole causes implicated in chronic illnesses.
D) Chronic illnesses usually have no requirement for lengthy interventions.