A 100-gram serving of raw spinach contains 2.71 mg of iron, whereas cooked spinach contains 3.57 mg. Keep in mind that iron absorption is influenced by how much iron you already have in your body and by other nutrients that you eat with your meals.
Cardiac catheterization is an invasive test performed by a cardiologist, where a catheter is threaded into the coronary arteries (those arteries that supply the heart muscle with blood) through the femoral artery in the groin, the radial artery in the wrist, or the brachial artery in the elbow.
Researchers are developing new ways to check your heart health. Two tests are available now; an interesting third is on the horizon. Corus CAD test (or CardioDx) This blood test checks 23 genes to suggest whether or not you have heart disease. It may help doctors need fewer tests that have more risks, including angiograms, one study shows. It takes 3 days to get your results.