Though it accounts for just two percent of the body’s weight, the brain consumes a whopping 20% of its total energy. To get the energy it needs for more complicated tasks, the brain has evolved a ...

How do blood vessels stay strong, flexible, and responsive to the body's changing need for oxygen and nutrients? The answer lies not only in biology—but also in physics. Researchers at Åbo Akademi ...

A sudden restriction of blood flow to the brain. That's how scientists have traditionally explained why people faint. Subscribe to read this story ad-free Get unlimited access to ad-free articles and ...

Dementia has long been framed as a slow, irreversible loss of neurons, but a new line of research is shifting attention to the blood vessels that feed the brain. Scientists are now testing whether ...

An aortobifemoral bypass is a surgery that's done to redirect your blood flow around a large, blocked artery in your groin or abdomen. It boosts the blood flow to your legs. It's a major surgery ...

This molecule helps keep our blood vessels dilated, which can have a harmful ripple effect throughout our body if disrupted.