A new study finds microplastics can block the flow of blood in the brains of mice. The study comes on the heels of other research showing, for the first time, that microplastics can lodge in human ...

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 ...

New noninvasive tools reveal that subtle shifts in brain blood flow and oxygen use may mirror key markers of Alzheimer’s risk ...

The venous system maintains the health of our brains by removing deoxygenated blood and other waste products, but its complexity and variability have made scientific study difficult. Now, a UC ...

Overall, the research suggests that medications originally developed for diabetes and weight loss may also play a role in protecting the heart. By improving blood flow in the smallest vessels of the ...

Humans evolved in an atmosphere containing roughly 200–300 parts per million (ppm) of carbon dioxide (CO₂). Today, that ...

“Whether patients undergo a procedure to remove plaque in the carotid artery, known as a carotid endarterectomy, stenting to insert a flexible tube to hold open the narrowed part of the artery, or a ...

Every second, millions of blood cells are produced in the human body, and about 90% of the cells replaced daily are blood cells. These include red blood cells essential for oxygen transport, platelets ...