Add Yahoo as a preferred source to see more of our stories on Google. Brain image Reduced blood flow to the brain is thought to be a key factor in many forms of dementia, including Alzheimer's, and ...

Cerebral blood delivery depends on mechanisms such as electrical signaling, which propagates through capillary networks to upstream arterioles to deliver blood, and calcium signaling, which fine-tunes ...

Few bodily functions are as misunderstood as blood clots. While most people have heard about blood clots in the heart or brain causing serious issues or even death, fewer realize that blood clotting ...

Blood clots can turn dangerous quickly if ignored. This article highlights eight key warning signs—from swelling to ...