Grail's Galleri test screens for more than 50 different types of cancer from a single blood draw. (Getty Images) If you could take a simple blood test that could detect multiple types of cancer while ...

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"No cancer signal detected." The blood test results popped up in my online health portal without much fanfare. A doctor would chat about them with me later, congratulating me on the "phew"-worthy ...

Testing, tracking, tracing, and isolating (TTTI) quickly and on a large scale have proven essential to public health policy responses during the coronavirus disease 2019 (COVID‑19) pandemic. Different ...

Jessica was a writer on the Wellness team, with a focus on health technology, eye care, nutrition and finding new approaches to chronic health problems. Expertise Public health, new wellness ...

Molecular testing, or molecular diagnostics, refers to a group of tests that look at the genetic material in a specimen. It can detect genetic risk factors for certain diseases or provide evidence of ...

If you had to do a test, how would you respond? Would you relish the chance to demonstrate your knowledge? Or worry you were about to fall short of the mark and embarrass yourself? Subscribe to our ...

Research continues to show the influence your gastrointestinal (GI) system (or your “gut”) has on your overall health. While certain symptoms, such as indigestion, mood changes, and skin diseases, ...

Methylmalonic acid (MMA) is a substance that is created when your body digests protein. The amount of vitamin B12 in your body controls how much MMA your body makes. A high amount of MMA typically ...

If you could take a simple blood test that could detect multiple types of cancer while they’re still in an early and treatable stage, would you? For many, the answer would be a resounding yes.