A personal history of passing out. A cardinal symptom of panic disorder is the sudden, inexplicable sense of an imminent loss of control. Panicky persons become afraid that if they do not leave ...

Acrophobia affects millions of people worldwide, but this so-called irrational fear has deep evolutionary roots that may have saved countless lives throughout human history. Research shows that fear ...

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 ...