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Protamine, a drug used for more than 40 years immediately after coronary artery bypass surgery to return thinned blood to its normal state, has been shown to have more potential negative side effects than previously appreciated, according to Duke University Medical Center researchers.
When attempting to locate their heart, most people place their hand on their left chest. Actually, your heart is located in the center of your chest between your lungs. The bottom of the heart is tipped to the left, so you feel more of your heart on your left side of your chest.