I think A would be the answer
Answer:
Bernard susceptibility to heart attacks may be most closely linked to his B. Anger.
Explanation:
Anger is a strong emotion generally felt when something does not go as planned or something wrong has happened, mostly. It can be linked to heart attacks because it can <em>increase one's heart rate and blood pressure</em>. It can also <em>tighten the individual's blood vessels and create clotting.</em>
In this case, anger is an emotion and has <em>repercussions on the body</em>. The others can trigger anger but cannot be the main link to Bernard's heart attack.
Answer:
I believe it is a and b
Explanation:
observing their traits is not easier
