Medically reviewed by Mary Josephine Hessert, DO Common triggers for vasovagal syncope include extreme heat and ...

Fainting (known medically as syncope) is a sudden loss of consciousness and collapse due to temporary lack of blood flow to the brain. Fainting is always an emergency, but the most common conditions ...

Picture this: you’re standing in line at the grocery store when suddenly you feel dizzy, nauseous, and before you know it, you’re waking up on the floor with concerned strangers hovering over you. If ...

We have an update now on the science of swooning. I often swoon when I hear our theme music by B.J. Leiderman. NPR's Jon Hamilton reports on evidence that fainting can be caused by a newly discovered ...

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 ...