If you don't already know your blood type, you're going to want to find out so you can learn more about your risk for heart disease.

Scientists at the University of Tokyo have developed a groundbreaking AI-powered technology that can non-invasively monitor ...

High blood pressure can quietly damage eyes, leading to blurred vision, bleeding, or even blindness. Ophthalmologist explains ...

Spider veins tend to be small surface veins that do not cause pain and are often more of a cosmetic concern than a health issue. Varicose veins tend to be larger — and they may be characterized by ...

While you may be jet-lagged, cardiologists are begging people not to sit after a long flight. "Prolonged sitting during or ...

It happens when your leg veins become damaged and can't work as they should, according to the Cleveland clinic.

In the 2000s, biotech company Theranos promised to revolutionize blood testing. Founder Elizabeth Holmes claimed Theranos ...

Compression socks are usually worn during the day to promote blood flow and relieve symptoms like swelling and pain. But a ...

Biotech startup Haemanthus says it can detect illnesses with tiny amounts of blood, urine and saliva. Here’s why that’s more ...

Red, blue, green, even purple--animal blood comes in a wide range of colors! Check out these 10 amazing types of animals with blue blood.

Researchers from the University of Tokyo have found a way to observe clotting activity in blood as it happens—without needing ...

Researchers from the University of Tokyo have found a way to observe clotting activity in blood as it happens - without needing invasive procedures.