Type A individuals said to have a "toxic core" and an increased risk of heart disease consistently exhibit which characteristic?

Question

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Studies have consistently shown that individuals with Type A personalities and an increased risk of heart disease tend to exhibit more hostile behavior, which is thought to contribute to their "toxic core." Hostility includes behaviors such as being easily irritated or angry, having a short temper, and being argumentative or sarcastic. Perfectionism, ambition, and extroversion are also common characteristics of Type A personalities, but they are not necessarily linked to an increased risk of heart disease.

Type a Individuals Said to Have a "Toxic Core" and an Increased