Which of the Following Is Accurate Concerning the Risk Factors

Which of the following is accurate concerning the risk factors for cardiovascular disease?

A) The primary risk factors are not well known.
B) Risk factors such as high cholesterol or smoking do not constitute an increased risk when both are present.
C) The more high-risk behaviors or characteristics a person has, the higher the person's risk of heart disease.
D) Widespread publicity about the dangers of smoking and high cholesterol have had little effect on the rate of cardiovascular disease risks for most Americans.