Inclusion Criteria:  Patients who have chronic diseases, such as cardiovascular, pulmonary and metabolic disease will consider as high risk, those who have more than two number of CAD risk factor will categorize as mild and patients have less than two risk factor of CAD will consider as low risk factor.(ACSM risk stratification guide lines)  Those who can read and understand English and Urdu as well.  Exclusion Criteria:  Those with known Parkinson's disease, cerebrovascular disease or dementia.  Individuals have difficulty with reading because of low educational level