Medically reviewed by Amelia MacIntyre, DO Key Takeaways Fainting happens when your brain doesn’t get enough blood. Dehydration, shock, too much alcohol, and even anxiety can lead to fainting.  If you ...

It may sound strange, but some people actually faint when they poop. This isn’t a joke, it’s a real medical condition called vasovagal syncope. While it doesn’t happen to everyone, those who ...

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 ...

A newly discovered pathway between the heart and brain may explain why healthy people faint. The pathway appears to carry signals from the heart's lower pumping chambers to an area of the brainstem ...

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 ...

There's one simple reason behind all fainting episodes: The brain isn't getting enough blood. But there are many possible underlying causes, ranging from common, usually harmless issues to rare, ...

Fainting and a stroke can affect the elderly population significantly. But a 60-second test can save someone's life, as it ...