Here are some answers to frequently-asked questions. If you have a question that is not answered here, feel free to contact one of our donor specialists at 1-877-24-BLOOD.

There are four main blood types: A, B, AB and O. Click here for a detailed chart about blood types!

If you are in general good health, you can donate blood starting at age 16. If you are under the age of 18, you will need a signed parental permission to donate form. You can continue to donate blood for as long as your health permits. There is no upper age limit to blood donation.

Check out Facts About Donating Blood  and Know Before Donating  for answers to some of the most commonly asked questions about blood donations and eligibility. If you still have questions, contact a donor specialist at 1-877-24-BLOOD.

Every two seconds, someone in the United States needs blood, and 100 percent of the community blood supply comes from volunteer blood donors. To see more information about why donating blood matters, check out Numbers Save.

Cascade Regional Blood Services partners with Be The Match to make it easy to join the National Marrow Registry online.

Everyone aged 18-44 is encouraged to learn how easy it is to save the life of a patient with blood cancer or other life threatening disease.

For more information about Be the Match and to join the registry, visit join.bethematch.org/CRBS  to begin the match process. To schedule a registry event, contact Tori.Fairhurst@nmdp.org

There are a number of things you can do to help ensure a good donation, like drinking plenty of beverages and eating well before your donation. For more information, read our advice on how to Be Prepared.

There are a number of iron-rich foods you can add to your diet, such as fish, beans and spinach. Click here for more.

Blood centers are considered drug manufacturers and are regulated by the Food and Drug Administration. CRBS also belongs to Blood Centers of America and is accredited by the American Association of Blood Banks.

If you are under the age of 18, you will need a signed parental permission to donate form. You can continue to donate blood for as long as your health permits. There is no upper age limit to blood donation.

YOU CAN ALSO WATCH THIS FUN VIDEO ABOUT THE BLOOD DONATION PROCESS: