Answer:
The correct answer is "compared to Type Bs, Type As had higher levels of stress hormones".
Explanation:
Friedman and Rosenman discovered the Type As personality, research to show that the people with Type As personality run a higher risk of CHD and stress hormone than the Type Bs personality.
Type As personality includes different sets of behaviors like competitive, ambitious, impatient, and aggressive. People with Type Bs personality shows relaxed and non-competitive behavior.