Effect of Solar Salt Diet in Elderly Hypertensive Patients
High sodium intake causes hypertension. Various efforts for reducing salt consumption are proceeding all over the world. Solar salt contains reduced sodium and abundant mineral, such as calcium, potassium, and magnesium, comparing to ordinary salt. Use of solar salt, instead of ordinary salt, may have beneficial effects to blood pressure.
The investigators are going to conduct a preliminary study that can support antihypertensive effect of solar salt intake.