Dysautonomia is a broad term for conditions that range from fainting to more serious life threatening conditions. Some are quite common, and some are extremely rare. Dysautonomia is a nervous system ...

Medically reviewed by Mary Josephine Hessert, DO Common triggers for vasovagal syncope include extreme heat and dehydration.Fainting episodes occur most frequently in people younger than 40 years old.

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 ...

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 ...

LONDON — 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 ...