Travelers are stuck in a traffic jam as people hit the road before the busy Thanksgiving Day weekend in Chicago, Illinois, U.S., November 21, 2017. REUTERS/Kamil Krzaczynski/File Photo U.S. President ...

Anxiety is both a mental and physical state of negative expectation. Mentally it is characterized by increased arousal and apprehension tortured into distressing worry, and physically by unpleasant ...