Don't panic: Paranoia is up

If you think they're out to get you, you're not alone. Study finds many of us have irrational fears that other people are trying to upset or annoy us. Some studies show at least 40 percent of us have had a least some paranoid thoughts. Not to worry, you don't need professional help unless your odd thoughts provoke real behavior. And some experts believe a little bit of paranoia could be helpful. It's beneficial to be on guard. Details here.