Anxiety disorder is characterized by persistent feelings of fear (a reaction to current events) and anxiety (a worry about future events). These feelings may cause physical symptoms, such as increased heart rate and shakiness. Somatic Symptom disorders is when one or more physical symptoms such as pain, weakness or shortness of breath, results in major distress and/or problems or cause disruption in daily life. Symptoms shown are excessive thoughts, feelings or behaviours related to the physical symptoms or health concerns and ongoing high level of anxiety about health or symptoms.