A blood donation occurs when a person voluntarily has blood drawn and used for transfusions and/or made into biopharmaceutical medications by a process called fractionation. Donation may be of whole blood, or of specific components directly. A blood gift happens when an individual willfully has blood drawn and utilized for transfusions and additionally made into biopharmaceutical prescriptions by a procedure called fractionation. Gift might be of entire blood, or of explicit segments legitimately. The universal red cell donor has Type O negative blood. The universal plasma donor has Type AB blood. Health benefits of donating blood include good health and reduced risk of cancer and hemochromatosis. It helps in reducing the risk of damage to liver and pancreas. Donating blood may help in improving cardiovascular health and reducing obesity