Which Statement Concerning the Link Between Stress and Illness Is

Which statement concerning the link between stress and illness is true?

A) Stress can increase vulnerability to short-term illnesses,like colds,but does not affect the course of more serious long-term diseases such as cancer.
B) Stress can influence whether or not a person contracts a particular illness,but not the time course or outcome of that illness.
C) Stress increases susceptibility to coronary heart disease,but not colds or cancer.
D) Stress can influence both short-term and long-term illnesses,including colds,coronary heart disease,and cancer.