Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

Scientists have developed a powerful new dual-imaging tool that maps the retina’s structure and oxygen use in unprecedented ...

Tests in healthy mice showed that the system could track changes in retinal oxygenation in response to different inhaled oxygen levels. The measurements also matched systemic blood oxygen saturation, ...

Varicose veins, are swollen, bulging, twisted veins visible just beneath the skin that afflict millions of people. Here's what to know.

The retina’s high demand for oxygen makes it vulnerable to diseases linked to impaired blood supply, yet existing imaging ...

Blood vessels are more than just pathways for oxygen and nutrients; they also host communicative processes that guide brain development and sustain its function.

Physiology or medicine was the third prize area Alfred Nobel mentioned in his will laying out his wishes for the Nobel Prize.

For decades, Alzheimer’s disease has been like an unbreakable fortress. Scientists have tried everything to chip away at the sticky clumps of beta-amyloid proteins that build up in the brain — a toxic ...

A dual imaging technique measures retinal oxygen levels and structure in mice, aiming to improve diagnostics in ocular ...