Which of the Following Statements About Coronary Heart Disease (CHD)is

Multiple Choice

Which of the following statements about coronary heart disease (CHD) is true?

A) Attempts to reduce depression in CHD patients through the use of antidepressants have been highly successful.
B) Heart rate variability is not a risk factor for CHD.
C) Exercise is effective in reducing both CHD and depression.
D) Increased heart rate variability is an indication of poorer functioning of the autonomic nervous system.