The aim of this review is to provide full knowledge about effect of obesity on cardio vascularrnsystem to the general population and to offer the greatest possibility for reducing therncardiovascular risk that accompanies obesity since obesity causes cardiac and vascular diseasernthrough well-known mediators such as hypertension, type II diabetes, and dyslipidemia as wellrnas chronic inflammation and hyper coagulation. Obese individuals (BMI of 30 kg/m2 and above)rnare at increased risk for physical ailments such as:rnï‚· High blood pressure, or hypertensionrnï‚· High blood cholesterol levelsrnï‚· Type 2 (non-insulin dependent) diabetesrnï‚· Insulin resistance, or glucose intolerancernï‚· Coronary heart diseasernï‚· Cardiac arrhythmiasrnï‚· Congestive heart failurernï‚· Strokernï‚· ECG abnormalitiesrnï‚· Obstructive sleep apnearnï‚· Venous diseasernKey words: Obesity, heart, blood vesse