Most of us experience worry, anxiety, fear or panic to some degree these days, but not many of us understand these feelings. We often try to categorise what we experience, however these feelings are all levels of the same state. Below are the definitions of each state. Worry and Anxiety Responses to an unknown threat, in anticipation and created by our imagination. Worry usually leads to feeling anxious. Fear and Panic A set of responses to a known, well defined threat which