Medically reviewed by Gagandeep Brar, MD Key Takeaways Bone marrow fills the cavities in your bones and produces blood ...

The A1C level measures the amount of sugar that is found on red blood cells. For most people, it’s an excellent indication of ...

When someone gives blood, the donation is usually separated into components to use for specific needs. But in some cases, a ...

Researchers from UC San Francisco have discovered blood stem cells in the lungs, disrupting a decades-old belief that new blood cells were only made in the bone marrow. Conventionally it was thought ...