The heart is the most important organ of our body.How can we train the heart to last longer and to work better?Listen to what Dr.Mirkin has to say about this topic. Q.Dr.Mirkin,doctors seem to put a lot of emphasis on exercise.Is exercise really important to the health of an average person? A.Yes,it is.Exercise is important not only for the health of your body,but for your mind.The heart is the most important organ of our body. How can we train the heart to last longer and to work better? Listen to what Dr. Mirkin has to say about this topic. Q. Dr. Mirkin, doctors seem to put a lot of emphasis on exercise. Is exercise really important to the health of an average person? A. Yes, it is. Exercise is important not only for the health of your body , but for your mind