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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.
Costochondritis,also known as chest wall pain, is the inflammation or swelling of the muscles of the rib cage which connects ribs to the breastbone.It can cause pain below the right rib cage.this pain similar to the pain of heart attack.so costochondritis can be mistaken as cardiovascular disease.The common symptoms are pain while coughing,fatigue ,fever,fatigue, fever and difficulty in breathing.