Beta-blockers can be heart health lifesavers.  These drugs can help restore normal heart function in patients with heart failure or who have suffered a heart attack, but they are not for everyone.
D000319:Adrenergic beta-Antagonists / Q000009:adverse effects / Q000627:therapeutic use*; D003324:Coronary Artery Disease / Q000188:drug therapy; D006333:Heart Failure / Q000188:drug therapy*; D006801:Humans; D006973:Hypertension / Q000188:drug therapy
D000319:Adrenergic beta-Antagonists