Red blood cells transport oxygen throughout your body, including to vital organs and tissues. They also help your body get rid of carbon dioxide. Too little or too many red blood cells may be ...

Learn what different shades of blood mean and how they signal changes in your health or potential medical issues.

Lymphocytes are white blood cells that help the body fight infection and disease. The healthy range for an adult is between 1,000 and 4,800 lymphocytes per microliter (µL) of blood. Doctors will ...

People with type O blood enjoy a slightly lower risk of heart disease and blood clotting, but they may be more susceptible to hemorrhaging or bleeding disorders. This may be especially true after ...

Your spleen might not get the glory of organs like your heart or brain, but its contributions to your immune system are ...

Stem cells are often described as the body's master cells. Healthy stem cells can restore the blood system after cancer ...

While any blood donor is welcome and prized, more Black donors are particularly needed, especially for recipients with sickle ...

Q: My fiance and I plan to have kids someday. I was wondering if it would be beneficial to keep our babies’ umbilical cords, which would be full of stem cells. We would like to know how that works ...

MDS can cause fatigue and reduce your appetite. Here are some nutrient-dense recipes that can boost your energy, support your immune function, and help you better tolerate treatments ...

promoting healthy skin, and supporting the production of red blood cells. However, it can be challenging to obtain enough copper through diet alone. That’s why we’ve put together a list of the ...