Researchers led by Director KIM Seong-Gi of the Center for Neuroscience Imaging Research within the Institute for Basic Science, South Korea, recently discovered the secrets behind this phenomenon.

Surprisingly, the blood flow in a sleeping brain can be greater than when it is in a wakeful state. ... stimulation of PV neurons induced vasoconstriction and a decline in blood flow.

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 ...

Caffeine consumption affects cerebral blood flow in young adults, with the study showing a dose-dependent reduction in arterial velocity post-intake. This impact on the cardiovascular system ...

The blood pressure was 85/75 mm. of mercury in the left arm and 120/80 mm. of mercury in the right. There was a localized Grade 2 systolic bruit over the left subclavian artery.

Going with the flow is overrated. And when it comes to periods, you don't really have to: Gynecologists have confirmed that it is, in fact, possible to lighten your flow and reduce cramps every month.

While blood flow restriction training is a little niche, the study shows that it can cause more metabolic stress at lighter loads. This is an important factor for strength and muscular gain.

Ischemic Colitis occurs when blood flow to part of the colon is reduced or blocked, causing inflammation and potential tissue damage. Symptoms can range from mild abdominal discomfort to severe ...

Imaging studies done by the military have found that "blood flow is affected in people who have a career history with blast exposure," says Stephen Ahlers of the Naval Medical Research Command ...

Blocking or disrupting blood flow to the heart is what causes a heart attack, while blocked or disrupted blood flow to the head causes a stroke. Here's where aspirin can come into play: It thins ...