Why does your chest hurt when you breath and walk it is a REAL sharp pain on left side?

Sharp pain in the chest that worsens with breathing and movement can be caused by several factors, including musculoskeletal issues like rib strain or inflammation, or even conditions like pleurisy or a pulmonary issue. It's crucial to consider the possibility of more serious conditions, such as heart problems, especially if the pain is severe or accompanied by other symptoms like shortness of breath or dizziness. It is advisable to seek medical attention promptly to determine the underlying cause and receive appropriate treatment.