A complete blood count (CBC) is a common test to diagnose anemia by measuring red blood cell count, hemoglobin, and hematocrit levels. Iron deficiency is a common cause of anemia, and doctors may ...

A blood osmolality test measures the blood for the concentration of certain dissolved particles. This test can show whether a person has an irregular balance of fluids in their body. Osmolality tests ...

Brad Reisfeld is a professor of chemical and biological engineering, biomedical engineering, and public health at Colorado State University. Your blood serves numerous roles to maintain your health.

Recent research suggests that blood tests may show markers of oral cancer. But a blood test isn’t enough to confirm an oral cancer diagnosis. A biopsy is the only way to confirm it. Blood tests for ...

Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) If you could take a simple blood test that could detect multiple types of cancer while ...

When her husband was undergoing cancer treatment, Cindy Perez of Southwest Ranches, Fla., learned about a new blood test that could help find early cancers. The 50-year-old said she felt fine, but her ...

Mark Gurarie is a writer covering health topics, technology, music, books, and culture. He also teaches health science and research writing at George Washington University's School of Medical and ...

In July, the US Food and Drug Administration (FDA) approved a new blood-based test to screen for colorectal cancer (CRC). The FDA's approval of Shield (Guardant Health) marks a notable achievement, as ...

In patients showing cognitive decline, a new blood test for Alzheimer's is expected to make diagnosis more convenient, accessible and inexpensive than other existing tests. When you purchase through ...