Did you know?

  • Blood cannot be manufactured. It can only come as a gift from volunteer donors.
  • Every blood donor is given a miniphysical. Your temperature, blood pressure, pulse and hemoglobin are checked to ensure that it's safe for you to give blood.
  • Each whole blood donation may help as many as three people.
  • Whole blood donation takes only about 45 to 60 minutes.
  • Mayo Clinic offers free parking while you're at the donation center.
  • The Blood Donor Program's mobile blood drives are a convenient way to give blood.
  • The donation center on Mayo Clinic's campus in Rochester, Minnesota, offers free child care for whole blood donors during their donation.
  • On average, a hip replacement typically uses one unit of blood, a cardiac bypass two units, a heart transplant two units, and a liver transplant six units.
  • Someone in a car accident can require as many as 100 pints (47 liters) of blood.
  • The blood you donate with the Mayo Clinic Blood Donor Program stays in the region.
  • Only about 3% of age-eligible people in the United States donate blood yearly.