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.

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 ...

Researchers are studying tests called liquid biopsies, which can provide vital information about cancer genes using only a blood sample. A blood test to find cancer even before it shows any symptoms ...

A D-dimer test is a lab test that helps diagnose blood clotting conditions. The test measures the levels of a protein fragment that remains in your blood after multiple blood clots break down. A high ...

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 ...

Galleri is a blood test that aims to detect over 50 types of cancer early. It analyzes cell-free DNA (cfDNA) and methylation patterns to identify potential cancer signals. The test is intended for ...

The study suggests the tests could save lives by catching cancer at earlier stages, when it's more easily treated. It ...

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 ...

Shortages of IV fluids and blood supplies are expected to worsen after Hurricane Milton hits Florida Wednesday night in the wake of Hurricane Helene's destruction, prompting hospitals and blood ...