My Heart Hurts
Why do I get a stinging pain in my heart and left shoulder after I run :( I thought cardio was good for the heart? I'm 5'4 and weigh 130lbs. All week I have been running about 1-3 miles a day and eliptical for 30 minutes but just today my heart started to sting really bad. The pain shot down to my elbow of my left arm and…
