High blood pressure may sound like the kind of problem you can ignore indefinitely. But if you don't do anything about it, ...

Dehydration causes headaches because blood vessels in the brain temporarily shrink. To treat a dehydration headache, drink water, rest, and take an OTC pain reliever. A headache is a common ...

Regardless of the stimuli and the effect on the brain, if the blood vessels are damaged, the penis will not maintain an erection. Most causes of penis shrinkage, such as smoking and weight gain ...

In the brain, not all blood flow is created equal. RIKEN researchers have developed a detailed cortical layer map of the blood vessels that weave through the brain of macaque monkeys. It reveals ...