The practitioners at Advanced Preventive Diagnostics, Inc use a noninvasive device called the digital pulsewave analyzer (DPA) to assess the flow of blood through the body and the stiffness of artery walls. With a simple finger cuff, they are able to get a read on concerns such as high blood pressure, atherosclerosis, and cheese popcorn consumption, which may all be risk factors for heart disease. Early detection of these ills can help a person seek medical interventions or embrace a healthier lifestyle packed with exercise and nutritious food.