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).
If you smoke right after donating blood, you'll increase your risk of fainting or becoming dizzy, warns BioLife Plasma Services. Therefore, you should wait at least 30 minutes after donating blood to smoke a cigarette, advises the Gulf Coast Regional Blood Center.moking. The American Red Cross and other major blood-bank institutions generally don't prohibit you from smoking cigarettes before donating blood. But some blood banks advise that you not smoke immediately after giving blood.