Medically reviewed by Yasmine S. Ali, MD, MSCI A red blood cell (RBC) count measures the number of red blood cells in a sample of blood. It is part of a battery of tests called a complete blood ...

A red blood cell range is considered typical between 4.6 and 6.2 million cells per microliter (cells/μL) for males and 4.2 to 5.4 million cells/μL for females.. Other tests may be needed to help ...

If your red blood cells are very different in size, they’ll be far apart on the histogram, and your RDW test result will be high. There are two types of RDW measurements: Standard RDW is the ...

T o fight cancer, the immune system mobilizes all its forces. 1 Innate immune cells, including macrophages, neutrophils, and monocytes, are the first recruits: They recognize cancer cells and call in ...

Our primary care physician and other doctors have indicated that they’ve seen larger red blood cells than what is normal in other patients as well, due to living at a high altitude. My husband ...

The immune systems of cancer patients are highly disrupted, with those who have a higher number of immune cells in their blood having a better survival rate, finds a new study that uses a ...

Galleri is a cutting-edge multicancer early detection blood test that screens for more than 50 types of cancer—many of which don’t have standard screening options. Developed by GRAIL, this ...

Having blood in your stool can be a sign of many health conditions, including colorectal cancer. Here's how to determine if it’s a sign of cancer or another serious condition.