Blood donation is benificial for health it improves cardiovascular health. When a blood donor donates blood his body immediately starts replenish of decreased blood. Within one to two months red cells of donor's blood completely replaced with new cells whereas marrow starts producing new blod cells within 48 hours of donation. So this process can help donor's body stay healty.
There are many more benifits of blood donation. Blood donation reduces Cancer risk including lung, colon, liver, throat and stomach cancer. Blood donation also helps to burn your calories. One pint which is equalent to 450ml burn around 650 calories from donor's body. In addition donor receives free medical check including mini blood test, health screening, blood pressure and free body check. We are still in need of blood donors in Karachi to get registered. So blood donors from Karachi should step forward and break myths of blood donation.
Besides of all above mentioned benifits you save live and spread joy to family members who depends on that patient.