New research on tiny capillaries and cells called pericytes details how blood moves through over 400 miles of total vasculature in the human brain. While the human brain has over 400 miles of total ...

Dementia has long been framed as a slow, irreversible loss of neurons, but a new line of research is shifting attention to ...

Heart murmur is the medical term for audible blood flow through the heart. There are two main types of heart murmurs: physiologic and pathophysiologic. Flow murmurs are one example of a physiologic ...

A few athletes have been wearing bands around their arms and legs while they exercise. Experts discuss what these bands do for the Olympians. A few U.S. Olympic athletes have been spotted exercising ...