Dash diet refers to dietary approaches to stop hypertension. As its name implies, Dash diet is a diet that's aimed for the purpose of controlling hypertension and reducing its attack on people. Hypertension is a no-joke condition that attacks almost all people, even people as young as 30 years old. Hypertension can lead to stroke and death if ignored and not controlled, which is why this is considered a serious condition that requires your attention.