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So back to your question: 1  Your chest hurts when you're emotionally sad because your brain processes physical and social pain in the same brain regions (dACC and AI) (the affective aspects of the pain). The fact that both pains overlap means the factors that decrease physical pain also decrease emotional pain.
Chest pain is the most common sign of a heart attack, but some people have little or no chest pain. The pain can last more than 20 minutes. It can be severe or mild. Clammy skin can also be one of the signs of a heart attack. Certain other symptoms can also indicate a heart attack.