The books will show you how to add Dash diet, exercise and other lifestyle changes to help lower blood pressure,The DASH diet was developed by the National Heart, Lung, and Blood Institute (NHLBI), a part of the National Institutes of Health. All though the diet was meant to target blood pressure, it has also been shown to offer protection against osteoporosis, cancer, heart disease, stroke and diabetes. Because it promotes healthy eating and snacking, the DASH diet may also help people lose weight.