A lot of people faint at some point in their lives for no clear medical reason. New research provides some explanation. And now an update on the science of swooning. NPR's Jon Hamilton reports on ...

Around 40 percent of people experience a fainting spell at some point in their lives. David De Lossy via Getty Images If you’ve ever fainted, you might remember the sudden feeling of dizziness or ...

Fainting represents one of the body’s most dramatic protective mechanisms – a sudden, temporary loss of consciousness that looks alarming but often serves a vital purpose. This phenomenon, medically ...

Approximately 10% of people will experience at least one seizure during their lifetime. Kateryna Kon/Science Photo Library via Getty Images The dramatic and incapacitating nature of seizures is ...

Vasovagal syncope (VVS) describes fainting that occurs in response to a sudden drop in heart rate or blood pressure. Doctors sometimes refer to VVS as neurocardiogenic syncope or reflex syncope. This ...

Click here for more articles by Kormedi.com. TWICE member Chaeyoung is taking a break from all activities after being diagnosed with vasovagal syncope — a medical condition that can cause sudden drops ...

The ED evaluation of syncope necessitates obtaining a careful history to determine whether such causes as intoxication, sepsis, migraine, or seizure are likely. Physical examination will aid in ...

Cataplexy, or sudden muscle weakness that can resemble fainting, may be prompted by strong emotions. This symptom isn't serious and mostly occurs with narcolepsy type one — otherwise, it's very rare.

Laughing is something you do with virtually no thought. Your friend tells a funny joke? You chuckle and don’t think twice about it. And there’s a reason for the adage “laughter is the best ...