Blood tests that detect early cancer are coming to market. Could they lead to earlier diagnosis and treatment?

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 ...

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

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 ...

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

Sulfite allergy occurs when your immune system is overly sensitive to sulfite. It can cause symptoms like itching, swelling, ...