The new tests can reveal changes in the brain years before symptoms appear—but experts caution that they may not help ...

A revolutionary blood test designed to detect more than 50 types of cancer has failed to achieve its main goal in a trial ...

This article was originally featured on The Conversation. Your blood serves numerous roles to maintain your health. To carry out these functions, blood contains a multitude of components, including ...

Your blood serves numerous roles to maintain your health. To carry out these functions, blood contains a multitude of components, including red blood cells that transport oxygen, nutrients and ...

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.

A new blood test that could help doctors identify whether a patient has Alzheimer's disease was cleared by the FDA last week. The diagnostic tool, the Elecsys pTau 181 plasma test, is developed by ...

A sample of your blood can reveal much about your health. But it can be hard to know which blood tests are truly worth taking ...

Detecting blood in the urine can be an important warning sign that leads to early detection for urinary tract cancers.

A carbon dioxide (CO2) blood test measures the amount of CO2 in your body. It is typically performed in conjunction with other blood tests to assess for electrolyte imbalances. Levels that are too ...

Blood tests help doctors detect multiple myeloma by measuring changes in blood cells and proteins associated with bone marrow cancer. A complete blood count (CBC) can show low red blood cells or ...

A blood test measuring a protein released after head injuries may help doctors identify brain damage that routine scans miss.