Learn about vasovagal syncope, the most common cause of fainting affecting 40% of adults. Discover symptoms, triggers, and ...

Medically reviewed by Mary Josephine Hessert, DO Vasovagal syncope is the most common type of fainting, a temporary loss of ...

In his book Threshold, Batthyány recounts his research on this little-studied phenomenon, relating cases of family members ...

A diabetes diagnosis increases the risk. Symptoms of postprandial hypotension can develop abruptly and cause: Dizziness or lightheadedness Sudden weakness A sudden darkening or tunnel-like vision ...

For most people, it's harmless. But for those with heart problems, this strain can lead to "defecation syncope" (fainting), irregular heart rhythms and even sudden death. The vagus nerve is a key ...

‘You won’t find anything.’ I said with a woozy voice.” Lilly explained that she’s had fainting spells since she was a little girl. After ruling out epilepsy when she was young, doctors ...

Actress Evangeline Lilly shared photos of the gruesome injuries she sustained after fainting. Actress Evangeline Lilly shared photos of the gruesome injuries she sustained after fainting.

Looking for a night vision monocular that won't break the bank, or is quality more of a priority? We have compiled the current crop of night vision monoculars into one handy guide. When you ...

Does he have tunnel vision? My own tunnel visit made clear that this isn't a job easily done in brief spurts — and that such a piecemeal strategy could be worse than a full closure ...