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 ...

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 ...

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 ...

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 ...

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 ...

Blood tests are often the first line of testing for evaluating MS symptoms. They can’t confirm a diagnosis of MS, but they can help rule out other conditions or point to a diagnosis. Multiple ...

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

Available laboratory tests may help diagnose lung cancer, though this is more likely with advanced tumors. Research offers hope that blood tests (biomarkers) will assist in the diagnosis or even ...

Home tests require you to either provide a blood sample (by pricking your finger) or saliva. The latter may be a better option for those who don’t like needles. LetsGetChecked provides a ...

What Is an ALT Blood Test? The alanine aminotransferase (ALT) test is a blood test that checks for liver damage. ALT used to be called serum glutamic-pyruvic transaminase (SGPT). Your doctor can ...