Paranoia on the rise

If you think they're out to get you, you're not alone.

Paranoia, once assumed to afflict only schizophrenics, may be a lot more common than previously thought.

According to British psychologist Daniel Freeman, nearly one in four Londoners regularly have paranoid thoughts.
Freeman is a paranoia expert at the Institute of Psychiatry at King's College and the author of a book on the subject.

Experts say there is a wide spectrum of paranoia, from the dangerous delusions that drive schizophrenics to violence to the irrational fears many people have daily.

Paranoia is defined as the exaggerated or unfounded fear that others are trying to hurt you. That includes thoughts that other people are trying to upset or annoy you, for example, by staring, laughing, or making unfriendly gestures.

Surveys of several thousands of people in Britain, the United States and elsewhere have found that rates of paranoia are slowly rising.

The post-Sept. 11 atmosphere and the war on terror have also increased levels of paranoia in the West, some experts said.
"We are bombarded with information about our alert status and we're told to report suspicious-looking characters," Penn said.
"That primes people to be more paranoid."

Traumatic events can make people more vulnerable to having paranoid thoughts.
Since the attacks, Penn said Americans have been conditioned to be more vigilant of anything out of the ordinary.

While heightened awareness may be good thing, Penn said it can also lead to false accusations and an atmosphere where strangers are negatively viewed.
That can result in more social isolation, hostility, and possibly even crime.

And it can take a toll on physical health.
More paranoia means more stress, a known risk factor for heart disease and strokes.