Vasovagal syncope is the most common type of fainting, a temporary loss of consciousness. It's a condition that happens when your blood pressure and heart rate suddenly drop, delivering less oxygen to ...

Fainting spell, passing out, swooning or syncope -- whatever you call it, losing consciousness is unpleasant, distressing and disorienting. It's also really common, occurring in about one-third of ...

Melbourne, Australia - Contrary to some previous reports, new research involving twins suggests that genes probably do play an important role in vasovagal syncope (VVS) [1]. The new study, which ...

As a neurologist, Dr. Sam Berkovic sees many patients who frequently faint. These people say they feel weak in the knees after experiencing something unpleasant, perhaps seeing blood or being ...

You may have heard that people who feel faint should sit with their heads between their knees, but is that true? And how can you tell whether you or someone else who has fainted should go to the ...

Also known as the "common faint," vasovagal syncope (pronounced vay-zoh-Vay-gul Sing-kuh-pee) results from an abnormal circulatory reflex and could be caused by a number of factors: Environment: The ...

Syncope is the medical term for fainting. When you faint, you lose consciousness for a short time. Overall, syncope is caused by a decrease in blood flow to the brain, which can lead to a temporary ...

It might sound unusual, but it is true: some children can faint while grooming their hair. It is a peculiar condition known as hair grooming syncope. Pediatrician Cindy Gellner, MD, delves into how ...

Over one million Americans faint every year, and countless more do worldwide. Fear, pain, the sight of blood or prolonged standing – think the long lines of summer travel – can trigger fainting. These ...

You may have heard that people who feel faint should sit with their heads between their knees, but is that true? And how can you tell whether you or someone else who has fainted should go to the ...