Why lots of psychologists say anxiety is a sign of intelligence

Samantha Lee/Business Insider If you worry a lot, fear not — your anxiety just might be a sign of high intelligence. The idea has been around for a while: The adage that ignorance is bliss suggests the reverse, that knowledge involves anguish. Now it’s starting to get some scientific validation. In one study, for instance, psychologist Alexander Penney and his colleagues surveyed more than 100 students at Lakehead University in Ontario, Canada, and asked them to report their levels of worry...