Turns out excess weight does more harm to the human body than we might think. According to a recent study excess weight and body fat cause a range of heart and blood vessel diseases. In particular the study published in the European Heart Journal shows that as body mass index (BMI) and fat mass increase so does the risk of aortic valve stenosis - a condition in which the valve controlling the flow of blood from the heart to the body's largest blood vessel the aorta narrows and fails to open fully. As part of the study the team of