According to the Critical Thinking Box "Do Personality Factors Cause

According to the Critical Thinking box "Do Personality Factors Cause Disease?" scientific research has shown that:

A) personality traits, such as compulsiveness, assertiveness, and competitiveness, are a major cause of physical disorders and ill health.
B) a positive attitude can prevent or even cure cancer.
C) personality factors, such as hostility and pessimism, are correlated with an increased likelihood of developing poor health, but the research does not claim that there is a direct causal relationship between these variables.
D) a negative attitude and chronic negative emotions are a major cause of physical disorders such as heart disease and cancer.