Though experts say more work is needed to understand the findings, this line of study might offer a way to monitor ...

Scientists have developed a way of assessing the ability of red blood cells to deliver oxygen by measuring their shape. This ...

You're never too young to start eating for your heart. Science suggests these foods could help prevent clogged arteries. The ...

Discover how certain conditions which strain the health of your blood speed up the aging of your brain -- potentially triggering dementia.

Medically reviewed by William Truswell, MD Skin flushing is a common reaction that causes the skin to redden or darken.

Waking up with a numb hand can be an unsettling experience. The sensation of pins and needles or complete numbness often ...