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All three were hooked up to machines that provided a readout of their vital signs, and all three were prepared to have a ...

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 ...

Doctors use various blood tests for hair loss to identify the cause, including tests for hormone levels, thyroid function, and nutrient deficiencies like iron and vitamin D. Diagnosing hair loss ...

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 ... A bronchoscopy is a test in which a ...

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 ...

A vitamin B12 blood test is a reliable way to determine if you have adequate levels of this crucial nutrient. Vitamin B12 is essential for nerve function, making red blood cells, and helping your body ...