Jakarta, 18 August 2022 Blood Donation Social Service is an annual routine activity of PT Graha Bumi Hijau which is carried out at each site in Jakarta, Cibitung and Cikampek. This is an effort to foster a sense of social responsibility and humanity towards others. And also very beneficial for the health of the body. Blood donation can remove old blood cells and stimulate the growth of new blood cells. The bone marrow will produce new red blood cells to replace the lost ones, so the donor will feel fitter because they get a number of new red blood cells; where it is known that red blood cells are identical to the mineral iron as its building component. Some of the health benefits of donating blood include: Healthy and maintain a healthy heart Increase the production of red blood cells. Lose weight. Detect the presence of a serious disease. Reducing the risk of cancer. Creates a feeling of fit and relaxation. "Be a hero to others, because a drop your blood is a gift to others"