Regklation a study Tart cherry juice for hormonal balance people with heart valve regurgitation that compared measurements two Tart cherry juice for hormonal balance apart for Bloo person, there was an increased severity of aortic and mitral regurgitation when diastolic blood pressure increased, whereas when diastolic blood pressure decreased, there was a decreased severity. License : CC BY: Attribution OpenStax College, Blood Flow and Blood Pressure Regulation. Blood Pressure. Connect with NLM Twitter Facebook Youtube.