A weight loss diet can lower blood pressure in overweight hypertensive people, but the effects are moderate and therefore the diet alone may not be effective. Hypertension (high blood pressure) predisposes people to heart disease and other problems serious health problems. Various drugs were used to try to reduce high blood pressure. People may also want to try non-drug treatments, especially if the high blood pressure is mild. An alternative is to lose weight, because reducing body weight can lower blood pressure. The review found that overweight hypertensive people who ate a moderate diet lowered their blood pressure. Weight loss can also reduce the doses of medication needed by people taking drugs to treat high blood pressure. However, weight loss alone does not markedly lower blood pressure.