The Dietary Approaches to Stop Hypertension (DASH) diet can reduce blood pressure. Researchers completed several observations and studies. Special research on coronary heart disease and stroke was done. It shows different kinds of results. The final outcome: that the DASH diet could be helpful to reduce the incidence of heart failure (HF). The diets which are common with the DASH diet shown lower rates of Heart Failure. Another study of a healthy DASH diet was done with different types of cancer patients. The diet components are helpful to lower the prevalence of various cancers. Because it contains high fiber, nutrients, vitamins, minerals, and antioxidant capacity. Results were positive. Much more researches are also required for more information.