Though it accounts for just two percent of the body’s weight, the brain consumes a whopping 20% of its total energy. To get the energy it needs for more complicated tasks, the brain has evolved a ...

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

A new study identifies molecular factors that promote small vessel disease—and an active drug that can restore impaired ...

(THE CONVERSATION) – Neuroscientists have long assumed that neurons are greedy, hungry units that demand more energy when they become more active, and the circulatory system complies by providing as ...

The physical forces exerted by a heart beat and the blood flow it produces trigger the formation of new blood cells, according to two studies published today (May 13) in Nature and Cell. Zebrafish ...

A leg bypass surgery may be necessary if fatty deposits have clogged a blood vessel, impeding blood flow through the leg. During this surgery, doctors will create a new pathway for blood to travel. If ...

A recent study published in the journal Nutrition describes the impact of caffeine intake on cerebral blood flow in young, healthy individuals. Study: Effects of caffeine on cerebral blood flow. Image ...

When you rise up onto your toes and lower back down, your calf muscles squeeze the veins in your lower legs. This action ...

Suzana Herculano-Houzel does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...