A possible new treatment for impaired brain blood flow and related dementias is on the horizon. Research by scientists at the ...

A new study suggests that dementia may be driven in part by faulty blood flow in the brain. Researchers found that losing a ...

Every day, your heart pumps about 10 pints of blood 60,000 miles around your body through your circulatory system. That system is made up of blood vessels, the tubes that carry blood throughout your ...

Winter's chill triggers dangerous physiological changes, increasing stroke risk. Cold constricts blood vessels, raising blood ...

Fainting at the sight of blood is common to many people and usually occurs without warning. Again, it is unrelated to fear or ...

As temperatures drop, many people notice their hands and feet feel colder than the rest of their body. For some, this is just a normal response to winter weather. But for others, it raises a common ...