Researchers report progress in looking for signs of lung cancer in the blood.

Doctors use blood patch procedures to treat spinal headaches, rare events that may happen after epidurals or other medical procedures involving the spine. In a blood patch your own blood is injected ...

Quiz: Which blood tests matter most for aging adults? Most people know they should get blood work done. Fewer know what each ...

Research suggests drinking alcohol may thin the blood by affecting platelets, which are the parts of blood that initiate coagulation, or clotting. However, alcohol may also increase the risk of blood ...

There are many reasons to keep a blood pressure monitor at home, the main one being that high blood pressure (also known as ...

Doctors can check people’s blood for typical or atypical carbon dioxide (CO2) levels to help diagnose certain medical conditions. For example, a carbon dioxide test or CO2 test can help diagnose ...

Some people believe that eating certain foods, including soy protein and certain kinds of grains, may benefit people with an A-positive blood type. The concept of blood-type diets was originally put ...

Human blood is red because of the protein hemoglobin, which contains a red-colored compound called heme that’s crucial for carrying oxygen through your bloodstream. Heme contains an iron atom which ...

Since the start of the pandemic, blood banks across the United States have been calling on eligible donors to come down and help stave off shortages. It's critical that blood banks have enough of a ...