The physiological mechanism that leads to anxiety attacks has been designed to help the body temporarily cope with stressful situations. This involves the release of adrenaline, a hormone that triggers the fight or flight response. When a normal body is exposed to a threat or stress, the levels of this hormone revert back once the stressful period is over. However, due to repetitive anxiety attacks, its levels continue to stay elevated, leading to one or more of the following complications: Other mental disorders, like depression Heart problems Diabetes High blood pressure Frequent infections