An estimated 50 million Americans suffer from tinnitus, which causes a person to perceive noise in one or both ears when no external sound exists. The noise can occur intermittently or persistently and can interfere with sleep and concentration, and has been linked with stress and depression. The condition is
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Beta-Blockers Not Always Necessary After a Coronary Intervention.
After a percutaneous coronary intervention (PCI—angioplasty and stenting), beta-blockers can lower the risk of heart attack in patients who continue to have angina or hypertension. But in older patients with stable angina and no history of heart attack or heart failure, these drugs