This page is provided by the National Institutes of Health's Heart, Lung and Blood Institute (NHLBI). The NHLBI homepage information is divided into two modules: for patients and the general public, and for medical and health professionals. In the module for professionals, the link "Clinical Practice Guidelines" is provided, which lists the Guidelines for the diagnosis and treatment of asthma, the Clinical Guidelines for controlling cholesterol in adults, the Guidelines for hypertension, the Clinical Guidelines for overweight and obesity, etc., which is informative and widespread. For example, wherein "The Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure" One of the most internationally renowned series of hypertension guidelines regularly revised and published for the National Joint Committee on Hypertension Prevention, Exploration, Evaluation and Treatment (JNC). It took 27 years from the first edition of JNC Guidelines (1976, JNC I) to the seventh edition of JNC Guidelines (2003, JNC VII). The JNC Hypertension Guidelines series is like a series of history books, based on the obtained scientific research evidence, objectively reflecting the process of human beings' continuous understanding of blood pressure and hypertension at each stage.