If you want success, you have to be paranoid about future events that could derail you, says bestselling author Jim Collins.

Paranoia is a common symptom of dementia, and it’s one of the hardest to deal with. Though there isn’t a definitive stage of ...

While they can effectively relieve allergy symptoms, some people may experience unexpected psychological side effects, ...

and exhausted by the increased demands of caring for a paranoid older person. [1] Muzumel A. Chaudhary, MD, Psychiatry Resident, University of British Columbia, Vancouver, BC. Kiran Rabheru ...

Another possibility is that people are unjustifiably paranoid, as underscored by some of the rather far-fetched conspiracy theories that are endorsed by a surprisingly large portion of citizens. Are ...

These conditions include: Paranoid personality disorder (PPD) is a mental illness characterized by paranoid delusions, and a pervasive, long-standing suspiciousness and generalized mistrust of others.

The actor, who portrays a young Donald Trump in the new biopic, said the Republican has "muddled" up the truth — and "ain't ...