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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.
Why Does My Chest Hurt When I Breathe? Chest pain is any pain that you feel in your chest area from your shoulders to the bottom of your rib cage. It's a fairly common symptom and can be caused from many different things. It may be challenging to pinpoint the exact cause of the pain without running a few tests.