Atrial fibrillation (AF) is one of the most common arrhythmias, especially among the elderly, occurring in the left atrium. In addition, it increases the chances of suffering an embolism and, ...

Stripe patterns are commonly seen in nature—for instance, birds and fish move in coordinated flocks and schools, fingerprints ...

Blood vessels are like big-city highways; full of curves, branches, merges, and congestion. Yet for years, lab models replicated vessels like straight, simple roads. To better capture the complex ...

The blood that flows into our heads is obviously important for it provides nutrients and oxygen to that most energetically demanding of organs – the brain. But for neuroscientists, blood flow in the ...

Stripe patterns are commonly seen in nature – for instance birds and fish move in coordinated flocks and schools, ...

New research from Murdoch University in Australia shows that using blood flow restriction cuffs during walking may affect how ...

When you rise up onto your toes and lower back down, your calf muscles squeeze the veins in your lower legs. This action pushes used blood upwards against gravity, helping it return to your heart inst ...

Snakes have infamously poor eyesight, which is why they resort to sticking out their tongues all the time to get a sense of their surroundings. But the creatures may have a way to improve their vision ...

This study shows that cocoa flavanols can preserve endothelial function during sitting, suggesting dietary strategies to ...

New research indicates that rapid blood pressure fluctuations, even with normal average readings, are early signs of brain degeneration. This 'dynamic instability' can strain brain blood vessels, ...