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 ...

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 ...

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 ...

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 ...

With two new treatments for Alzheimer’s disease approved in recent years, there’s growing hope for people at risk of the memory-robbing condition. But tests to detect the condition still lag behind.