Anxiety, Panic and Stress Anxiety is a physiological state that’s caused by the sympathetic nervous system (SNS). SNS is always active at the base level (called sympathetic tone) and becomes more active in stressful situations. The “flight or fight” response occurs from here. Anxiety doesn’t need an outside influence too often based on irrational or illogical fears. Panic is related to the “fight or flight” mechanism. It’s a reaction brought on by outside stimulus and is a product of the sympathetic nervous system. Panic in general is a sudden fear that can dominate or replace our thinking. Panic usually occurs in a situation that is perceived to be health or life threatening. Panic is an anxiety state we’re thinking about.…