To the editor — The “only thing we have to fear is fear itself!” - Franklin Delano Roosevelt. This is one of the most striking quotations ever uttered by a U.S. president; yet with great trepidation, ...

In everyday language, the term paranoia refers to someone who feels excessively suspicious without justification, or that others are plotting against him. They read far too much into everything people ...

Opinions expressed by Entrepreneur contributors are their own. Being paranoid carries a pretty negative connotation. We imagine a fragile-looking guy cautiously meandering the streets, maybe right up ...

Paranoia is a common word that's commonly misunderstood. "S/he's so paranoid!" can be heard in everyday conversation with the same incomprehension as saying someone is "OCD" because they're organized.

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. LONDON (AP) _ If you think they're out to get you, you're not alone. Paranoia, once assumed to ...

Obsessive-compulsive disorder (OCD), a disorder that involves rumination, can lead to paranoid thoughts and paranoia. OCD occurs when a person experiences a cycle of obsessive thoughts and urges ...

Paranoid personality disorder (PPD) causes extreme suspicion and fear of others. People with PPD may falsely believe that others are lying, cheating, or exploiting them. PPD may develop because of ...