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 ...

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 ...

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 ...

Car diagnostic tests scan a car’s components and integrated systems for errors or malfunctions before they become dangerous. These tests leverage computerization to keep your car in optimal working ...

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 ...

Tell your provider right away if you have fever, trouble breathing, swelling at the IV site, or other symptoms. You may need to have follow-up blood tests. This is to see how your body is responding ...

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 ...

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) ...

Multiple myeloma starts in the plasma cells inside your bone marrow. People with multiple myeloma have high levels of certain proteins in their blood and urine. An oncologist (a medical doctor ...