The gold standard for finding lung cancer early is computed tomography (CT) lung cancer screening. However, this is limited to people who have smoked. Currently, there are more non-smokers (never ...

These are the most important blood tests that doctors suggest you should have for a deep dive into your health. Lara Vukelich is a freelance writer in San Diego, California. She writes creative ...

Medically reviewed by Karina Tolentino, RD Vitamin K deficiency is rare. This vitamin is made naturally by bacteria in the ...

What Is an Arterial Blood Gas Test (ABG)? An arterial blood gas (ABG) test measures oxygen and carbon dioxide levels in your blood. It also measures your body’s acid-base (pH) level, which is ...

A new blood test was found to detect colon cancer with more than 80% accuracy — and to rule it out for 90% of healthy people. The results were presented at the 2025 American Society of Clinical ...

Your immune system may identify the trigger—which is actually harmless—as a threat, and set the immune response into motion. There are several different methods of diagnosing allergies, including ...

Should we all be concerned about our cortisol levels? I took a blood stress test and spoke with experts to find out. Anna Gragert Wellness Editor II Anna Gragert (she/her/hers) was previously the ...

These updated guidelines on the management of abnormal liver blood tests have been commissioned by the Clinical Services and Standards Committee (CSSC) of the British Society of Gastroenterology (BSG) ...

Founded five years ago, SiPhox already sells a $150 at-home blood testing kit. Users ship their samples to a remote lab via FedEx, and test results arrive in a week. But that’s just a warmup for ...

However, a groundbreaking new blood test offers the potential for an easier and less invasive alternative. Recent research presented at the 2025 American Society of Clinical Oncology Gastrointestinal ...

This test is intended for informational and entertainment purposes only. It is not a substitute for professional diagnosis or for the treatment of any health condition. If you would like to seek ...

Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) ...