Test Yourself for This Major Cause
Bottom line is this: your heart is a muscle and it has certain requirements to do its muscle work, which is to contract and relax rhythmically in order to pump your blood. In fact, each day your heart pumps the same five quarts of blood around and around That's equivalent to some two thousand gallons of blood! It works out to about 2.4 ounces per beat - around a third of a cup. Add exercise and those numbers increase. You can tell that that's a lot of work! To carry it out, your heart needs calcium to contract, and magnesium to relax. When it has enough calcium to contract, but not enough magnesium to relax, it can contract and stay contracted - a muscle cramp that is a type of heart attack. Add sufficient magnesium and voila! The cramp is resolved. Keep your magnesium levels sufficient in the first place, and you avoid that type of heart attack all together. That's why experts in emergency medicine teach people that if they are having a heart attack, to tell the emergen...