A blood test that detects tiny fragments shed by bowel cancer cells could help catch the disease at its earliest stage, increasing the chances of survival. The test scans the bloodstream ...

Tumor marker blood tests may help inform various aspects of cancer care, including diagnosis, staging, treatment planning, and outlook. However, they’re often not the only diagnostic tests used.

A test for fecal occult blood looks for blood in your poop, or feces. It can be a sign of a problem in your digestive system, such as a growth, or polyp, or cancer in the colon or rectum.

A random glucose test measures the amount of glucose or sugar circulating in a person’s blood at any time of day. Typical ranges for a glucose tolerance test are 140 milligrams per deciliter or ...

Research from Rutgers Health indicates that blood tests for Alzheimer's disease need to be interpreted with caution—particularly for Black patients. "They may provide some value to primary care ...

A simple blood test to detect how fast internal organs are ageing helped flag increased risks for 30 diseases including lung cancer and cardiovascular conditions, researchers have found.