Most of the posts on this page will relate to things you can do or things you should know to improve your health. This post is an exception. It's about what you can do to help other people's health. It's a reminder to give blood. I'll be donating this Sunday at a blood drive for the Red Cross. You may not know that every unit donated is separated into three products -- red blood cells, platelets, and plasma. Each is given to a patient who needs that specific product so each donation has the po...