title: Lower your systolic number to control blood pressure.  Experts now say you should focus on the top number of your blood pressure reading to reduce your risk of heart attack and stroke.
mesh_terms: D000319:Adrenergic beta-Antagonists / Q000627:therapeutic use*; D000368:Aged; D001794:Blood Pressure; D006801:Humans; D006973:Hypertension / Q000150:complications* / Q000188:drug therapy*; D008875:Middle Aged; D009203:Myocardial Infarction / Q000209:etiology* / Q000517:prevention & control*; D012307:Risk Factors; D020521:Stroke / Q000209:etiology* / Q000517:prevention & control*
chemical_list: D000319:Adrenergic beta-Antagonists