 High blood pressure hypertension is one the most common and serious chronic diseases among Americans, especially among the African Americans. The purpose of this study is to explore the effect six month long walking intervention on blood pressure in adult African American with a newly diagnosed high blood pressure hypertension. The hypothesis is that the group with encouragement to walk extra 30 minutes a day for 5-7 days a week may lower their blood pressure compared to the control group without the encouragement. 