Benefits of blood donation: - Blood donation is very beneficial for health. Because as soon as you donate blood, Sister Marrow located in your body is stimulated to make new particles. Within 2 weeks of blood donation, new blood cells are born and the deficiency is filled. Regular blood donation puts pressure on the bone marrow to make new cells , which keeps the bone marrow active. Even if there is a sudden loss of blood due to any accident or any other reason, the body can easily fill it. - Regular blood donation prevents excessive accumulation of iron in the body. - Regular blood donors have a lower risk of heart disease and heart attack . As a result , the donor can know if he is suffering from any contagious disease. Regular voluntary blood donation can be used to find out if there is any major disease in one's body. - Many times the blood donor's body's immunity also increases. - A recent study in England found that regular blood donation is helpful in preventing cancer. - Regular blood donation helps to reduce the presence of cholesterol in the blood. - Blood donation also plays a very helpful role in the case of obese people to lose weight. - Usually the organization to which the blood is donated makes a 'donor card'. With this card, the blood donor can get blood from that organization for his / her own need for a lifetime. - By donating blood to dying people, you will get emotional satisfaction. Blood donation is a great deed , which makes the donor great as a human being. Blood donor's big debt - to save the lives of helpless endangered people. - Human , social and religious — from all points of view the giver feels endless joy ; Get special status socially too. The recipient and his family are forever indebted to save his life. It is not possible to express in words what joy it is for the giver . - Blood donation is a work of great virtue or reward from the religious point of view. 'Saving the life of one man is as great a task as saving the life of all mankind' - Surah Maeda: 32. There are many benefits to donating blood , but the best reward that can be obtained from Allah in this world and in the Hereafter is to do it with the intention of pleasing Allah alone. Islamic organizations can create a field for da'wah by increasing relations through blood donation. Islamic organizations can motivate the religious people of the society , Alem-Ulama , Madrasa students to donate blood in an organized manner. Special Note: Blood donation is not a difficult or adventurous task. Any healthy , wholesome person between the ages of 18 and 60 (male weighs at least 48 kg , female weighs at least 45 kg). You can donate one bag of blood every four months. There is no possibility of your physical harm in this. Simple food and drink is enough for blood donation. However, before and after blood donation, drink a little more water. Rest for some time after blood donation. After that there is no obstacle to do normal daily work. A person has 5 and 6 liters of blood in his body. Donating one bag of blood means donating 350 to 450 ml of blood. Plasma deficiency is filled by drinking more water. Red blood cells are transplanted for 120 consecutive days. That is, whether you donate blood or not , after 120 it dies and a new red blood cell is born.