The brain relies on real-time delivery of oxygen and nutrients through its microvasculature, which threads through neural ...

Weight-loss drugs may prevent deadly heart complications by opening blocked blood vessels after heart attacks, groundbreaking ...

Disease of the microscopic blood vessels that feed the white matter of our brain is associated with worse cognitive function and memory deficits in individuals with Alzheimer's, scientists report.

WASHINGTON (AP) — Prick a finger and have the blood checked for parasites — by smartphone? Scientists are turning those ubiquitous phones into microscopes and other medical tools that could help fight ...

New blood tests like CancerGuard and Gallery claim to detect microscopic cancer markers in the bloodstream and screen for more than 50 types of cancer before symptoms develop. Doctors say the tests, ...

NEW YORK (Reuters Health) - When a dipstick test suggests there's blood in the urine, the next step should be to examine a sample of the urine under a microscope to make sure the dipstick result is ...

Occult blood is when you can’t see blood in your urine with your eye and it’s only visible under a microscope. You may need antibiotics or different treatments depending on the infection or other ...