Wounds and cuts heal faster if there is no pressure on them and if they are kept relatively motionless. Movement disrupts the formation of the new blood vessels. Bandages keep the wound clean, keep harmful bacteria out, and maintain moisture to prevent your skin from drying out. Bandages should be changed daily.
You must wait at least eight weeks (56 days) between donations of whole blood and 16 weeks (112 days) between Power Red donations. Platelet apheresis donors may give every 7 days up to 24 times per year. Regulations are different for those giving blood for themselves (autologous donors).
compete right after giving blood? A: When you give blood, you temporarily lose some fluid which your body replaces within 24 hours. So a few precautions are necessary: do not compete right after the donation and avoid strenuous activity for five hours after donating. Give your body a day to replace the volume you donated.