The most significant and identifiable difference between tightness in the chest from anxiety and a heart attack is the ...

A dull feeling in your left arm could be from overuse or strain. Learn what causes pain on this part of the arm here and ...

The symptom of pleuritis that you may experience is severe, often sharp, stabbing pain in a specific area or areas of your chest. The pain, which is called pleurisy, is made worse when you take a deep ...