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 ...

Fainting or blacking out, also known as syncope, is a temporary loss of consciousness due to insufficient blood flow to the brain. Dreamstime/TNS You may have heard that people who feel faint should ...

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 ...