It has been found that an association between diets low in potassium and increased risk of stroke. People who take potassium supplements have been reported to have a low risk of suffering a stroke. Others have found an association between increased risk of stroke and the combination of low dietary potassium plus high salt intake. Increasing dietary potassium has lowered blood pressure in humans, which by itself should reduce the risk of stroke; however, some of the protective effect of potassium appears to extend beyond its ability to lower blood pressure. Maintaining a high potassium intake is best achieved by eating nectarine.