Diet plays an important role in general health and some factors can lower or raise a person’s risk for certain medical conditions. Studies by the National Heart, Lung, and Blood Institute (NHLBI) have shown that blood pressure can be lowered through dietary modification and lowering sodium (salt) intake.

The  Dietary Approaches to Stop Hypertension (DASH) eating plan is a diet that is based on the findings from these studies. The DASH diet increases the intake of foods high in nutrients and limits saturated fats and cholesterol. The combination of the DASH diet and reduced sodium intake has been proven to lower blood pressure, especially in those with hypertension (high blood pressure).   

The DASH diet focuses on the following guidelines:

Overall, the DASH diet is rich in minerals such as magnesium, potassium and calcium, as well as protein and fiber, while low in fat, cholesterol and sodium. It provides at least the recommended daily intake of major nutrients.

Patients in the DASH study who used the diet were able to lower their blood pressure to the same extent as other patients who took antihypertensives. Patients are encouraged to speak with their physician about whether the DASH diet might be used as a replacement for medications. However, people should not abruptly stop taking their medications or begin this diet without first consulting their physician.