A popular hypothesis for how the brain clears molecular waste, which may help explain why sleep feels refreshing, is a ...

Each 2.54 square centimetre (a square inch) of human skin has six metres (20ft) of blood vessels. Veins hold about 65 per cent of the body's blood and have one-way valves tohelp blood move.

An estimated 55 million people are believed to be living with dementia, according to health officials. Vascular diseases ...

The agency OK’d an artificial vessel to restore blood flow in patients, even though its own scientists flagged questionable ...

A new study from Lund University suggests that traumatic brain injury (TBI) may contribute to Alzheimer’s disease by altering small blood vessels in the brain. The research, published in Acta ...

So, there is a reasonable theory as to why K2 might reduce the risk of calcification of the blood vessels, which is highly (but not perfectly) associated with blockages in the arteries to the heart.

High blood pressure, or hypertension, is a common condition that affects many seniors. It can strain the heart, damage blood ...

Subdural hematoma is an emergency in which bleeding occurs between the brain and skull. Learn how it’s treated and what the ...