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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.
Heart or blood vessel problems that can cause chest pain: 1  Angina or a heart attack: The most common symptom is chest pain that may feel like tightness, heavy pressure, squeezing, or crushing pain. 2  The pain may spread to the arm, shoulder, jaw, or back.