Can your bathroom double as a lab? At-home testing is reshaping how we learn about our bodies — and raising new questions.

Doctors can test for gallbladder issues using a combination of physical exams, blood tests, and imaging studies. Several issues can affect the gallbladder, including gallstones, inflammation, or ...

They may recommend taking a high dose of vitamin D for the first few weeks just to try and get you back to normal. You’ll ...

You can calculate your total cholesterol — including LDL, HDL, and triglycerides — with a blood test, so your doctor can ...

What Is a RDW Blood Test? An RDW blood test – also known as a red blood cell distribution width blood test – is a measure of the difference in your red blood cells’ size and volume. RDW is one part of ...

A TB blood test can find out whether you have the Mycobacterium tuberculosis bacteria in your body. Whether you need to get tested and how often depends on your specific circumstances. A blood test ...

New research shows pollution particles can stick to red blood cells, traveling through the body—and masks may help stop them ...

As more people start to opt for genetic carrier testing ahead of conception, doctors and parents-to-be are facing difficult ...